Home / 61,264,882.40-91,897,323.60-20,865,624.80

Finding the Fourth Proportional to 61,264,882.40, 91,897,323.60 and 20,865,624.80

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Solution

The fourth proportional to 61,264,882.40, 91,897,323.60 and 20,865,624.80 is: 31,298,437.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,264,882.40 : 91,897,323.60 = 20,865,624.80 : x
  2. Step 2: Convert to fraction form
    61,264,882.40/91,897,323.60 = 20,865,624.80/x
  3. Step 3: Cross multiply
    61,264,882.40x = 91,897,323.60 × 20,865,624.80
  4. Step 4: Simplify right side
    61,264,882.40x = 1,917,495,074,361,785.25
  5. Step 5: Solve for x
    x = 1,917,495,074,361,785.25/61,264,882.40
  6. Step 6: Final answer
    x = 31,298,437.20

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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.