Home / 152,437,327.03-228,540,283.66-78,581,520.55

Finding the Fourth Proportional to 152,437,327.03, 228,540,283.66 and 78,581,520.55

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Solution

The fourth proportional to 152,437,327.03, 228,540,283.66 and 78,581,520.55 is: 117,812,633.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,437,327.03 : 228,540,283.66 = 78,581,520.55 : x
  2. Step 2: Convert to fraction form
    152,437,327.03/228,540,283.66 = 78,581,520.55/x
  3. Step 3: Cross multiply
    152,437,327.03x = 228,540,283.66 × 78,581,520.55
  4. Step 4: Simplify right side
    152,437,327.03x = 17,959,042,996,931,118
  5. Step 5: Solve for x
    x = 17,959,042,996,931,118/152,437,327.03
  6. Step 6: Final answer
    x = 117,812,633.87

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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.