Home / 92,337,544.27-138,838,549.65-85,139,067.79

Finding the Fourth Proportional to 92,337,544.27, 138,838,549.65 and 85,139,067.79

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Solution

The fourth proportional to 92,337,544.27, 138,838,549.65 and 85,139,067.79 is: 128,014,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,337,544.27 : 138,838,549.65 = 85,139,067.79 : x
  2. Step 2: Convert to fraction form
    92,337,544.27/138,838,549.65 = 85,139,067.79/x
  3. Step 3: Cross multiply
    92,337,544.27x = 138,838,549.65 × 85,139,067.79
  4. Step 4: Simplify right side
    92,337,544.27x = 11,820,584,690,516,632
  5. Step 5: Solve for x
    x = 11,820,584,690,516,632/92,337,544.27
  6. Step 6: Final answer
    x = 128,014,934.60

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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.