Home / 215,410,752,123.30-323,116,128,184.95-97,864,505,979.30

Finding the Fourth Proportional to 215,410,752,123.30, 323,116,128,184.95 and 97,864,505,979.30

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Solution

The fourth proportional to 215,410,752,123.30, 323,116,128,184.95 and 97,864,505,979.30 is: 146,796,758,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,410,752,123.30 : 323,116,128,184.95 = 97,864,505,979.30 : x
  2. Step 2: Convert to fraction form
    215,410,752,123.30/323,116,128,184.95 = 97,864,505,979.30/x
  3. Step 3: Cross multiply
    215,410,752,123.30x = 323,116,128,184.95 × 97,864,505,979.30
  4. Step 4: Simplify right side
    215,410,752,123.30x = 31,621,600,258,764,306,382,848
  5. Step 5: Solve for x
    x = 31,621,600,258,764,306,382,848/215,410,752,123.30
  6. Step 6: Final answer
    x = 146,796,758,968.95

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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.