Home / 72,338,707.20-99,825,113.03-41,398,212.18

Finding the Fourth Proportional to 72,338,707.20, 99,825,113.03 and 41,398,212.18

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Solution

The fourth proportional to 72,338,707.20, 99,825,113.03 and 41,398,212.18 is: 57,128,214.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,338,707.20 : 99,825,113.03 = 41,398,212.18 : x
  2. Step 2: Convert to fraction form
    72,338,707.20/99,825,113.03 = 41,398,212.18/x
  3. Step 3: Cross multiply
    72,338,707.20x = 99,825,113.03 × 41,398,212.18
  4. Step 4: Simplify right side
    72,338,707.20x = 4,132,581,209,901,432
  5. Step 5: Solve for x
    x = 4,132,581,209,901,432/72,338,707.20
  6. Step 6: Final answer
    x = 57,128,214.89

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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.