Home / 72,427,543.64-108,689,177.98-34,100,018.68

Finding the Fourth Proportional to 72,427,543.64, 108,689,177.98 and 34,100,018.68

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Solution

The fourth proportional to 72,427,543.64, 108,689,177.98 and 34,100,018.68 is: 51,172,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,427,543.64 : 108,689,177.98 = 34,100,018.68 : x
  2. Step 2: Convert to fraction form
    72,427,543.64/108,689,177.98 = 34,100,018.68/x
  3. Step 3: Cross multiply
    72,427,543.64x = 108,689,177.98 × 34,100,018.68
  4. Step 4: Simplify right side
    72,427,543.64x = 3,706,302,999,431,845
  5. Step 5: Solve for x
    x = 3,706,302,999,431,845/72,427,543.64
  6. Step 6: Final answer
    x = 51,172,562.44

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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.