Home / 87,218,211.80-130,827,317.70-60,008,432.60

Finding the Fourth Proportional to 87,218,211.80, 130,827,317.70 and 60,008,432.60

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Solution

The fourth proportional to 87,218,211.80, 130,827,317.70 and 60,008,432.60 is: 90,012,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,218,211.80 : 130,827,317.70 = 60,008,432.60 : x
  2. Step 2: Convert to fraction form
    87,218,211.80/130,827,317.70 = 60,008,432.60/x
  3. Step 3: Cross multiply
    87,218,211.80x = 130,827,317.70 × 60,008,432.60
  4. Step 4: Simplify right side
    87,218,211.80x = 7,850,742,276,439,237
  5. Step 5: Solve for x
    x = 7,850,742,276,439,237/87,218,211.80
  6. Step 6: Final answer
    x = 90,012,648.90

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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.