Home / 72,338,755.95-99,825,180.30-41,398,260.93

Finding the Fourth Proportional to 72,338,755.95, 99,825,180.30 and 41,398,260.93

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Solution

The fourth proportional to 72,338,755.95, 99,825,180.30 and 41,398,260.93 is: 57,128,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,338,755.95 : 99,825,180.30 = 41,398,260.93 : x
  2. Step 2: Convert to fraction form
    72,338,755.95/99,825,180.30 = 41,398,260.93/x
  3. Step 3: Cross multiply
    72,338,755.95x = 99,825,180.30 × 41,398,260.93
  4. Step 4: Simplify right side
    72,338,755.95x = 4,132,588,861,443,695.50
  5. Step 5: Solve for x
    x = 4,132,588,861,443,695.50/72,338,755.95
  6. Step 6: Final answer
    x = 57,128,282.17

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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.