Home / 145,436,249.10-218,154,373.65-112,912,059.90

Finding the Fourth Proportional to 145,436,249.10, 218,154,373.65 and 112,912,059.90

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Solution

The fourth proportional to 145,436,249.10, 218,154,373.65 and 112,912,059.90 is: 169,368,089.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,436,249.10 : 218,154,373.65 = 112,912,059.90 : x
  2. Step 2: Convert to fraction form
    145,436,249.10/218,154,373.65 = 112,912,059.90/x
  3. Step 3: Cross multiply
    145,436,249.10x = 218,154,373.65 × 112,912,059.90
  4. Step 4: Simplify right side
    145,436,249.10x = 24,632,259,705,015,784
  5. Step 5: Solve for x
    x = 24,632,259,705,015,784/145,436,249.10
  6. Step 6: Final answer
    x = 169,368,089.85

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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.