Home / 71,059,097.60-106,446,928.80-40,731,531.20

Finding the Fourth Proportional to 71,059,097.60, 106,446,928.80 and 40,731,531.20

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Solution

The fourth proportional to 71,059,097.60, 106,446,928.80 and 40,731,531.20 is: 61,016,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,059,097.60 : 106,446,928.80 = 40,731,531.20 : x
  2. Step 2: Convert to fraction form
    71,059,097.60/106,446,928.80 = 40,731,531.20/x
  3. Step 3: Cross multiply
    71,059,097.60x = 106,446,928.80 × 40,731,531.20
  4. Step 4: Simplify right side
    71,059,097.60x = 4,335,746,401,561,379
  5. Step 5: Solve for x
    x = 4,335,746,401,561,379/71,059,097.60
  6. Step 6: Final answer
    x = 61,016,063.36

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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.