Home / 72,435,703.90-108,653,555.85-43,667,031.10

Finding the Fourth Proportional to 72,435,703.90, 108,653,555.85 and 43,667,031.10

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Solution

The fourth proportional to 72,435,703.90, 108,653,555.85 and 43,667,031.10 is: 65,500,546.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,435,703.90 : 108,653,555.85 = 43,667,031.10 : x
  2. Step 2: Convert to fraction form
    72,435,703.90/108,653,555.85 = 43,667,031.10/x
  3. Step 3: Cross multiply
    72,435,703.90x = 108,653,555.85 × 43,667,031.10
  4. Step 4: Simplify right side
    72,435,703.90x = 4,744,578,202,427,537
  5. Step 5: Solve for x
    x = 4,744,578,202,427,537/72,435,703.90
  6. Step 6: Final answer
    x = 65,500,546.65

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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.