Home / 67,068,287.80-100,602,431.70-47,584,742.20

Finding the Fourth Proportional to 67,068,287.80, 100,602,431.70 and 47,584,742.20

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Solution

The fourth proportional to 67,068,287.80, 100,602,431.70 and 47,584,742.20 is: 71,377,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,068,287.80 : 100,602,431.70 = 47,584,742.20 : x
  2. Step 2: Convert to fraction form
    67,068,287.80/100,602,431.70 = 47,584,742.20/x
  3. Step 3: Cross multiply
    67,068,287.80x = 100,602,431.70 × 47,584,742.20
  4. Step 4: Simplify right side
    67,068,287.80x = 4,787,140,777,137,608
  5. Step 5: Solve for x
    x = 4,787,140,777,137,608/67,068,287.80
  6. Step 6: Final answer
    x = 71,377,113.30

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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.