Home / 72,172,040.60-108,098,628.60-29,019,031.40

Finding the Fourth Proportional to 72,172,040.60, 108,098,628.60 and 29,019,031.40

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Solution

The fourth proportional to 72,172,040.60, 108,098,628.60 and 29,019,031.40 is: 43,464,442.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,172,040.60 : 108,098,628.60 = 29,019,031.40 : x
  2. Step 2: Convert to fraction form
    72,172,040.60/108,098,628.60 = 29,019,031.40/x
  3. Step 3: Cross multiply
    72,172,040.60x = 108,098,628.60 × 29,019,031.40
  4. Step 4: Simplify right side
    72,172,040.60x = 3,136,917,497,640,337.50
  5. Step 5: Solve for x
    x = 3,136,917,497,640,337.50/72,172,040.60
  6. Step 6: Final answer
    x = 43,464,442.35

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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.