Home / 90,261,674.46-135,411,934.98-28,011,759.39

Finding the Fourth Proportional to 90,261,674.46, 135,411,934.98 and 28,011,759.39

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Solution

The fourth proportional to 90,261,674.46, 135,411,934.98 and 28,011,759.39 is: 42,023,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,261,674.46 : 135,411,934.98 = 28,011,759.39 : x
  2. Step 2: Convert to fraction form
    90,261,674.46/135,411,934.98 = 28,011,759.39/x
  3. Step 3: Cross multiply
    90,261,674.46x = 135,411,934.98 × 28,011,759.39
  4. Step 4: Simplify right side
    90,261,674.46x = 3,793,126,541,194,084
  5. Step 5: Solve for x
    x = 3,793,126,541,194,084/90,261,674.46
  6. Step 6: Final answer
    x = 42,023,666.90

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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.