Home / 90,693,059.40-136,181,306.70-52,429,307.40

Finding the Fourth Proportional to 90,693,059.40, 136,181,306.70 and 52,429,307.40

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Solution

The fourth proportional to 90,693,059.40, 136,181,306.70 and 52,429,307.40 is: 78,725,887.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,693,059.40 : 136,181,306.70 = 52,429,307.40 : x
  2. Step 2: Convert to fraction form
    90,693,059.40/136,181,306.70 = 52,429,307.40/x
  3. Step 3: Cross multiply
    90,693,059.40x = 136,181,306.70 × 52,429,307.40
  4. Step 4: Simplify right side
    90,693,059.40x = 7,139,891,591,107,979
  5. Step 5: Solve for x
    x = 7,139,891,591,107,979/90,693,059.40
  6. Step 6: Final answer
    x = 78,725,887.50

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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.