Home / 67,068,211.20-100,602,316.80-54,951,356.40

Finding the Fourth Proportional to 67,068,211.20, 100,602,316.80 and 54,951,356.40

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Solution

The fourth proportional to 67,068,211.20, 100,602,316.80 and 54,951,356.40 is: 82,427,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,211.20 : 100,602,316.80 = 54,951,356.40 : x
  2. Step 2: Convert to fraction form
    67,068,211.20/100,602,316.80 = 54,951,356.40/x
  3. Step 3: Cross multiply
    67,068,211.20x = 100,602,316.80 × 54,951,356.40
  4. Step 4: Simplify right side
    67,068,211.20x = 5,528,233,765,142,507
  5. Step 5: Solve for x
    x = 5,528,233,765,142,507/67,068,211.20
  6. Step 6: Final answer
    x = 82,427,034.60

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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.