Home / 71,059,135.60-106,446,985.80-40,731,569.20

Finding the Fourth Proportional to 71,059,135.60, 106,446,985.80 and 40,731,569.20

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Solution

The fourth proportional to 71,059,135.60, 106,446,985.80 and 40,731,569.20 is: 61,016,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,059,135.60 : 106,446,985.80 = 40,731,569.20 : x
  2. Step 2: Convert to fraction form
    71,059,135.60/106,446,985.80 = 40,731,569.20/x
  3. Step 3: Cross multiply
    71,059,135.60x = 106,446,985.80 × 40,731,569.20
  4. Step 4: Simplify right side
    71,059,135.60x = 4,335,752,768,244,117.50
  5. Step 5: Solve for x
    x = 4,335,752,768,244,117.50/71,059,135.60
  6. Step 6: Final answer
    x = 61,016,120.33

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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.