Home / 215,410,752,124.30-323,116,128,186.45-97,864,505,980.30

Finding the Fourth Proportional to 215,410,752,124.30, 323,116,128,186.45 and 97,864,505,980.30

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Solution

The fourth proportional to 215,410,752,124.30, 323,116,128,186.45 and 97,864,505,980.30 is: 146,796,758,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,410,752,124.30 : 323,116,128,186.45 = 97,864,505,980.30 : x
  2. Step 2: Convert to fraction form
    215,410,752,124.30/323,116,128,186.45 = 97,864,505,980.30/x
  3. Step 3: Cross multiply
    215,410,752,124.30x = 323,116,128,186.45 × 97,864,505,980.30
  4. Step 4: Simplify right side
    215,410,752,124.30x = 31,621,600,259,234,219,425,792
  5. Step 5: Solve for x
    x = 31,621,600,259,234,219,425,792/215,410,752,124.30
  6. Step 6: Final answer
    x = 146,796,758,970.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.