Home / 145,474,074.60-218,211,111.90-129,690,276.90

Finding the Fourth Proportional to 145,474,074.60, 218,211,111.90 and 129,690,276.90

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Solution

The fourth proportional to 145,474,074.60, 218,211,111.90 and 129,690,276.90 is: 194,535,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,474,074.60 : 218,211,111.90 = 129,690,276.90 : x
  2. Step 2: Convert to fraction form
    145,474,074.60/218,211,111.90 = 129,690,276.90/x
  3. Step 3: Cross multiply
    145,474,074.60x = 218,211,111.90 × 129,690,276.90
  4. Step 4: Simplify right side
    145,474,074.60x = 28,299,859,524,967,888
  5. Step 5: Solve for x
    x = 28,299,859,524,967,888/145,474,074.60
  6. Step 6: Final answer
    x = 194,535,415.35

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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.