Home / 124,639,049.17-172,008,426.41-75,094,969.87

Finding the Fourth Proportional to 124,639,049.17, 172,008,426.41 and 75,094,969.87

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Solution

The fourth proportional to 124,639,049.17, 172,008,426.41 and 75,094,969.87 is: 103,634,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,639,049.17 : 172,008,426.41 = 75,094,969.87 : x
  2. Step 2: Convert to fraction form
    124,639,049.17/172,008,426.41 = 75,094,969.87/x
  3. Step 3: Cross multiply
    124,639,049.17x = 172,008,426.41 × 75,094,969.87
  4. Step 4: Simplify right side
    124,639,049.17x = 12,916,967,598,645,062
  5. Step 5: Solve for x
    x = 12,916,967,598,645,062/124,639,049.17
  6. Step 6: Final answer
    x = 103,634,997.90

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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.