Home / 185,887,864.96-256,532,331.36-103,387,615.36

Finding the Fourth Proportional to 185,887,864.96, 256,532,331.36 and 103,387,615.36

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Solution

The fourth proportional to 185,887,864.96, 256,532,331.36 and 103,387,615.36 is: 142,678,845.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,887,864.96 : 256,532,331.36 = 103,387,615.36 : x
  2. Step 2: Convert to fraction form
    185,887,864.96/256,532,331.36 = 103,387,615.36/x
  3. Step 3: Cross multiply
    185,887,864.96x = 256,532,331.36 × 103,387,615.36
  4. Step 4: Simplify right side
    185,887,864.96x = 26,522,266,002,051,748
  5. Step 5: Solve for x
    x = 26,522,266,002,051,748/185,887,864.96
  6. Step 6: Final answer
    x = 142,678,845.70

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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.