Home / 79,153,854.31-118,865,588.15-51,534,785.35

Finding the Fourth Proportional to 79,153,854.31, 118,865,588.15 and 51,534,785.35

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Solution

The fourth proportional to 79,153,854.31, 118,865,588.15 and 51,534,785.35 is: 77,389,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,153,854.31 : 118,865,588.15 = 51,534,785.35 : x
  2. Step 2: Convert to fraction form
    79,153,854.31/118,865,588.15 = 51,534,785.35/x
  3. Step 3: Cross multiply
    79,153,854.31x = 118,865,588.15 × 51,534,785.35
  4. Step 4: Simplify right side
    79,153,854.31x = 6,125,712,570,811,754
  5. Step 5: Solve for x
    x = 6,125,712,570,811,754/79,153,854.31
  6. Step 6: Final answer
    x = 77,389,946.76

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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.