Home / 98,639,195.40-136,118,737.92-54,588,050.88

Finding the Fourth Proportional to 98,639,195.40, 136,118,737.92 and 54,588,050.88

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Solution

The fourth proportional to 98,639,195.40, 136,118,737.92 and 54,588,050.88 is: 75,329,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,639,195.40 : 136,118,737.92 = 54,588,050.88 : x
  2. Step 2: Convert to fraction form
    98,639,195.40/136,118,737.92 = 54,588,050.88/x
  3. Step 3: Cross multiply
    98,639,195.40x = 136,118,737.92 × 54,588,050.88
  4. Step 4: Simplify right side
    98,639,195.40x = 7,430,456,591,298,345
  5. Step 5: Solve for x
    x = 7,430,456,591,298,345/98,639,195.40
  6. Step 6: Final answer
    x = 75,329,655.33

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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.