Home / 156,645,805.52-216,124,069.89-93,899,009.12

Finding the Fourth Proportional to 156,645,805.52, 216,124,069.89 and 93,899,009.12

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Solution

The fourth proportional to 156,645,805.52, 216,124,069.89 and 93,899,009.12 is: 129,552,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,645,805.52 : 216,124,069.89 = 93,899,009.12 : x
  2. Step 2: Convert to fraction form
    156,645,805.52/216,124,069.89 = 93,899,009.12/x
  3. Step 3: Cross multiply
    156,645,805.52x = 216,124,069.89 × 93,899,009.12
  4. Step 4: Simplify right side
    156,645,805.52x = 20,293,836,009,652,628
  5. Step 5: Solve for x
    x = 20,293,836,009,652,628/156,645,805.52
  6. Step 6: Final answer
    x = 129,552,374.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.