Home / 67,068,008.20-100,602,012.30-54,951,153.40

Finding the Fourth Proportional to 67,068,008.20, 100,602,012.30 and 54,951,153.40

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Solution

The fourth proportional to 67,068,008.20, 100,602,012.30 and 54,951,153.40 is: 82,426,730.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,008.20 : 100,602,012.30 = 54,951,153.40 : x
  2. Step 2: Convert to fraction form
    67,068,008.20/100,602,012.30 = 54,951,153.40/x
  3. Step 3: Cross multiply
    67,068,008.20x = 100,602,012.30 × 54,951,153.40
  4. Step 4: Simplify right side
    67,068,008.20x = 5,528,196,610,245,987
  5. Step 5: Solve for x
    x = 5,528,196,610,245,987/67,068,008.20
  6. Step 6: Final answer
    x = 82,426,730.10

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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.