Home / 47,891,190.60-71,846,117.10-19,132,432.20

Finding the Fourth Proportional to 47,891,190.60, 71,846,117.10 and 19,132,432.20

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Solution

The fourth proportional to 47,891,190.60, 71,846,117.10 and 19,132,432.20 is: 28,702,376.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,891,190.60 : 71,846,117.10 = 19,132,432.20 : x
  2. Step 2: Convert to fraction form
    47,891,190.60/71,846,117.10 = 19,132,432.20/x
  3. Step 3: Cross multiply
    47,891,190.60x = 71,846,117.10 × 19,132,432.20
  4. Step 4: Simplify right side
    47,891,190.60x = 1,374,590,964,249,010.50
  5. Step 5: Solve for x
    x = 1,374,590,964,249,010.50/47,891,190.60
  6. Step 6: Final answer
    x = 28,702,376.10

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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.