Home / 43,127,459.64-64,711,390.97-21,255,915.91

Finding the Fourth Proportional to 43,127,459.64, 64,711,390.97 and 21,255,915.91

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Solution

The fourth proportional to 43,127,459.64, 64,711,390.97 and 21,255,915.91 is: 31,893,830.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,127,459.64 : 64,711,390.97 = 21,255,915.91 : x
  2. Step 2: Convert to fraction form
    43,127,459.64/64,711,390.97 = 21,255,915.91/x
  3. Step 3: Cross multiply
    43,127,459.64x = 64,711,390.97 × 21,255,915.91
  4. Step 4: Simplify right side
    43,127,459.64x = 1,375,499,884,518,432
  5. Step 5: Solve for x
    x = 1,375,499,884,518,432/43,127,459.64
  6. Step 6: Final answer
    x = 31,893,830.43

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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.