Home / 214,496,539-321,696,925.62-99,466,134.28

Finding the Fourth Proportional to 214,496,539, 321,696,925.62 and 99,466,134.28

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Solution

The fourth proportional to 214,496,539, 321,696,925.62 and 99,466,134.28 is: 149,176,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,496,539 : 321,696,925.62 = 99,466,134.28 : x
  2. Step 2: Convert to fraction form
    214,496,539/321,696,925.62 = 99,466,134.28/x
  3. Step 3: Cross multiply
    214,496,539x = 321,696,925.62 × 99,466,134.28
  4. Step 4: Simplify right side
    214,496,539x = 31,997,949,601,182,092
  5. Step 5: Solve for x
    x = 31,997,949,601,182,092/214,496,539
  6. Step 6: Final answer
    x = 149,176,997.22

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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.