Home / 72,607,657.03-100,195,650.84-39,567,201.87

Finding the Fourth Proportional to 72,607,657.03, 100,195,650.84 and 39,567,201.87

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Solution

The fourth proportional to 72,607,657.03, 100,195,650.84 and 39,567,201.87 is: 54,601,149.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,607,657.03 : 100,195,650.84 = 39,567,201.87 : x
  2. Step 2: Convert to fraction form
    72,607,657.03/100,195,650.84 = 39,567,201.87/x
  3. Step 3: Cross multiply
    72,607,657.03x = 100,195,650.84 × 39,567,201.87
  4. Step 4: Simplify right side
    72,607,657.03x = 3,964,461,543,806,426
  5. Step 5: Solve for x
    x = 3,964,461,543,806,426/72,607,657.03
  6. Step 6: Final answer
    x = 54,601,149.60

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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.