Home / 72,256,350.06-99,713,861.06-39,216,600.22

Finding the Fourth Proportional to 72,256,350.06, 99,713,861.06 and 39,216,600.22

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Solution

The fourth proportional to 72,256,350.06, 99,713,861.06 and 39,216,600.22 is: 54,118,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,256,350.06 : 99,713,861.06 = 39,216,600.22 : x
  2. Step 2: Convert to fraction form
    72,256,350.06/99,713,861.06 = 39,216,600.22/x
  3. Step 3: Cross multiply
    72,256,350.06x = 99,713,861.06 × 39,216,600.22
  4. Step 4: Simplify right side
    72,256,350.06x = 3,910,438,625,582,645.50
  5. Step 5: Solve for x
    x = 3,910,438,625,582,645.50/72,256,350.06
  6. Step 6: Final answer
    x = 54,118,961.48

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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.