Home / 72,817,025.40-109,152,054.90-36,369,358.20

Finding the Fourth Proportional to 72,817,025.40, 109,152,054.90 and 36,369,358.20

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Solution

The fourth proportional to 72,817,025.40, 109,152,054.90 and 36,369,358.20 is: 54,517,335.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,817,025.40 : 109,152,054.90 = 36,369,358.20 : x
  2. Step 2: Convert to fraction form
    72,817,025.40/109,152,054.90 = 36,369,358.20/x
  3. Step 3: Cross multiply
    72,817,025.40x = 109,152,054.90 × 36,369,358.20
  4. Step 4: Simplify right side
    72,817,025.40x = 3,969,790,182,924,165.50
  5. Step 5: Solve for x
    x = 3,969,790,182,924,165.50/72,817,025.40
  6. Step 6: Final answer
    x = 54,517,335.21

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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.