Home / 48,284,221.20-72,426,331.80-32,978,720.40

Finding the Fourth Proportional to 48,284,221.20, 72,426,331.80 and 32,978,720.40

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Solution

The fourth proportional to 48,284,221.20, 72,426,331.80 and 32,978,720.40 is: 49,468,080.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,284,221.20 : 72,426,331.80 = 32,978,720.40 : x
  2. Step 2: Convert to fraction form
    48,284,221.20/72,426,331.80 = 32,978,720.40/x
  3. Step 3: Cross multiply
    48,284,221.20x = 72,426,331.80 × 32,978,720.40
  4. Step 4: Simplify right side
    48,284,221.20x = 2,388,527,746,029,828.50
  5. Step 5: Solve for x
    x = 2,388,527,746,029,828.50/48,284,221.20
  6. Step 6: Final answer
    x = 49,468,080.60

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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.