Home / 123,013,198.72-169,730,059.12-73,443,944.32

Finding the Fourth Proportional to 123,013,198.72, 169,730,059.12 and 73,443,944.32

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Solution

The fourth proportional to 123,013,198.72, 169,730,059.12 and 73,443,944.32 is: 101,335,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,013,198.72 : 169,730,059.12 = 73,443,944.32 : x
  2. Step 2: Convert to fraction form
    123,013,198.72/169,730,059.12 = 73,443,944.32/x
  3. Step 3: Cross multiply
    123,013,198.72x = 169,730,059.12 × 73,443,944.32
  4. Step 4: Simplify right side
    123,013,198.72x = 12,465,645,011,439,588
  5. Step 5: Solve for x
    x = 12,465,645,011,439,588/123,013,198.72
  6. Step 6: Final answer
    x = 101,335,833.40

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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.