Home / 72,459,638.80-108,689,458.20-58,110,731.80

Finding the Fourth Proportional to 72,459,638.80, 108,689,458.20 and 58,110,731.80

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Solution

The fourth proportional to 72,459,638.80, 108,689,458.20 and 58,110,731.80 is: 87,166,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,459,638.80 : 108,689,458.20 = 58,110,731.80 : x
  2. Step 2: Convert to fraction form
    72,459,638.80/108,689,458.20 = 58,110,731.80/x
  3. Step 3: Cross multiply
    72,459,638.80x = 108,689,458.20 × 58,110,731.80
  4. Step 4: Simplify right side
    72,459,638.80x = 6,316,023,954,947,511
  5. Step 5: Solve for x
    x = 6,316,023,954,947,511/72,459,638.80
  6. Step 6: Final answer
    x = 87,166,097.70

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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.