Home / 85,502,952.64-118,006,682.07-54,143,864.79

Finding the Fourth Proportional to 85,502,952.64, 118,006,682.07 and 54,143,864.79

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Solution

The fourth proportional to 85,502,952.64, 118,006,682.07 and 54,143,864.79 is: 74,726,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,502,952.64 : 118,006,682.07 = 54,143,864.79 : x
  2. Step 2: Convert to fraction form
    85,502,952.64/118,006,682.07 = 54,143,864.79/x
  3. Step 3: Cross multiply
    85,502,952.64x = 118,006,682.07 × 54,143,864.79
  4. Step 4: Simplify right side
    85,502,952.64x = 6,389,337,838,314,597
  5. Step 5: Solve for x
    x = 6,389,337,838,314,597/85,502,952.64
  6. Step 6: Final answer
    x = 74,726,516.93

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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.