Home / 90,261,672.46-135,411,931.98-28,011,757.39

Finding the Fourth Proportional to 90,261,672.46, 135,411,931.98 and 28,011,757.39

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Solution

The fourth proportional to 90,261,672.46, 135,411,931.98 and 28,011,757.39 is: 42,023,663.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,261,672.46 : 135,411,931.98 = 28,011,757.39 : x
  2. Step 2: Convert to fraction form
    90,261,672.46/135,411,931.98 = 28,011,757.39/x
  3. Step 3: Cross multiply
    90,261,672.46x = 135,411,931.98 × 28,011,757.39
  4. Step 4: Simplify right side
    90,261,672.46x = 3,793,126,185,996,412
  5. Step 5: Solve for x
    x = 3,793,126,185,996,412/90,261,672.46
  6. Step 6: Final answer
    x = 42,023,663.90

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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.