Home / 215,410,752,022.80-323,116,128,034.20-103,558,152,176.40

Finding the Fourth Proportional to 215,410,752,022.80, 323,116,128,034.20 and 103,558,152,176.40

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Solution

The fourth proportional to 215,410,752,022.80, 323,116,128,034.20 and 103,558,152,176.40 is: 155,337,228,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,410,752,022.80 : 323,116,128,034.20 = 103,558,152,176.40 : x
  2. Step 2: Convert to fraction form
    215,410,752,022.80/323,116,128,034.20 = 103,558,152,176.40/x
  3. Step 3: Cross multiply
    215,410,752,022.80x = 323,116,128,034.20 × 103,558,152,176.40
  4. Step 4: Simplify right side
    215,410,752,022.80x = 33,461,309,157,614,829,961,216
  5. Step 5: Solve for x
    x = 33,461,309,157,614,829,961,216/215,410,752,022.80
  6. Step 6: Final answer
    x = 155,337,228,264.60

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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.