Home / 145,784,059.20-218,678,680.80-43,549,358.40

Finding the Fourth Proportional to 145,784,059.20, 218,678,680.80 and 43,549,358.40

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Solution

The fourth proportional to 145,784,059.20, 218,678,680.80 and 43,549,358.40 is: 65,324,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,784,059.20 : 218,678,680.80 = 43,549,358.40 : x
  2. Step 2: Convert to fraction form
    145,784,059.20/218,678,680.80 = 43,549,358.40/x
  3. Step 3: Cross multiply
    145,784,059.20x = 218,678,680.80 × 43,549,358.40
  4. Step 4: Simplify right side
    145,784,059.20x = 9,523,316,244,598,398
  5. Step 5: Solve for x
    x = 9,523,316,244,598,398/145,784,059.20
  6. Step 6: Final answer
    x = 65,324,811.90

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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.