Home / 172,403,687.72-237,913,769.08-94,087,801.68

Finding the Fourth Proportional to 172,403,687.72, 237,913,769.08 and 94,087,801.68

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Solution

The fourth proportional to 172,403,687.72, 237,913,769.08 and 94,087,801.68 is: 129,839,354.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,403,687.72 : 237,913,769.08 = 94,087,801.68 : x
  2. Step 2: Convert to fraction form
    172,403,687.72/237,913,769.08 = 94,087,801.68/x
  3. Step 3: Cross multiply
    172,403,687.72x = 237,913,769.08 × 94,087,801.68
  4. Step 4: Simplify right side
    172,403,687.72x = 22,384,783,522,140,360
  5. Step 5: Solve for x
    x = 22,384,783,522,140,360/172,403,687.72
  6. Step 6: Final answer
    x = 129,839,354.47

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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.