Home / 90,884,451.60-136,326,677.40-52,526,221.20

Finding the Fourth Proportional to 90,884,451.60, 136,326,677.40 and 52,526,221.20

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Solution

The fourth proportional to 90,884,451.60, 136,326,677.40 and 52,526,221.20 is: 78,789,331.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,884,451.60 : 136,326,677.40 = 52,526,221.20 : x
  2. Step 2: Convert to fraction form
    90,884,451.60/136,326,677.40 = 52,526,221.20/x
  3. Step 3: Cross multiply
    90,884,451.60x = 136,326,677.40 × 52,526,221.20
  4. Step 4: Simplify right side
    90,884,451.60x = 7,160,725,212,573,442
  5. Step 5: Solve for x
    x = 7,160,725,212,573,442/90,884,451.60
  6. Step 6: Final answer
    x = 78,789,331.80

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1.5x scale

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.