Home / 80,564,071.20-120,861,853.20-32,033,666.40

Finding the Fourth Proportional to 80,564,071.20, 120,861,853.20 and 32,033,666.40

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Solution

The fourth proportional to 80,564,071.20, 120,861,853.20 and 32,033,666.40 is: 48,056,760.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,564,071.20 : 120,861,853.20 = 32,033,666.40 : x
  2. Step 2: Convert to fraction form
    80,564,071.20/120,861,853.20 = 32,033,666.40/x
  3. Step 3: Cross multiply
    80,564,071.20x = 120,861,853.20 × 32,033,666.40
  4. Step 4: Simplify right side
    80,564,071.20x = 3,871,648,285,894,572.50
  5. Step 5: Solve for x
    x = 3,871,648,285,894,572.50/80,564,071.20
  6. Step 6: Final answer
    x = 48,056,760.64

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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.