Home / 72,891,701.76-100,615,879.98-41,964,197.52

Finding the Fourth Proportional to 72,891,701.76, 100,615,879.98 and 41,964,197.52

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Solution

The fourth proportional to 72,891,701.76, 100,615,879.98 and 41,964,197.52 is: 57,925,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,891,701.76 : 100,615,879.98 = 41,964,197.52 : x
  2. Step 2: Convert to fraction form
    72,891,701.76/100,615,879.98 = 41,964,197.52/x
  3. Step 3: Cross multiply
    72,891,701.76x = 100,615,879.98 × 41,964,197.52
  4. Step 4: Simplify right side
    72,891,701.76x = 4,222,264,661,129,334
  5. Step 5: Solve for x
    x = 4,222,264,661,129,334/72,891,701.76
  6. Step 6: Final answer
    x = 57,925,176.11

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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.