Home / 108,264,079.28-149,390,662.92-61,857,338.96

Finding the Fourth Proportional to 108,264,079.28, 149,390,662.92 and 61,857,338.96

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Solution

The fourth proportional to 108,264,079.28, 149,390,662.92 and 61,857,338.96 is: 85,355,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,264,079.28 : 149,390,662.92 = 61,857,338.96 : x
  2. Step 2: Convert to fraction form
    108,264,079.28/149,390,662.92 = 61,857,338.96/x
  3. Step 3: Cross multiply
    108,264,079.28x = 149,390,662.92 × 61,857,338.96
  4. Step 4: Simplify right side
    108,264,079.28x = 9,240,908,873,701,542
  5. Step 5: Solve for x
    x = 9,240,908,873,701,542/108,264,079.28
  6. Step 6: Final answer
    x = 85,355,262.20

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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.