Home / 71,059,060.86-98,007,508.59-61,152,419.69

Finding the Fourth Proportional to 71,059,060.86, 98,007,508.59 and 61,152,419.69

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Solution

The fourth proportional to 71,059,060.86, 98,007,508.59 and 61,152,419.69 is: 84,343,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,059,060.86 : 98,007,508.59 = 61,152,419.69 : x
  2. Step 2: Convert to fraction form
    71,059,060.86/98,007,508.59 = 61,152,419.69/x
  3. Step 3: Cross multiply
    71,059,060.86x = 98,007,508.59 × 61,152,419.69
  4. Step 4: Simplify right side
    71,059,060.86x = 5,993,396,298,610,404
  5. Step 5: Solve for x
    x = 5,993,396,298,610,404/71,059,060.86
  6. Step 6: Final answer
    x = 84,343,871.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.