Home / 100,897,552.40-139,238,620.92-54,487,804.95

Finding the Fourth Proportional to 100,897,552.40, 139,238,620.92 and 54,487,804.95

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Solution

The fourth proportional to 100,897,552.40, 139,238,620.92 and 54,487,804.95 is: 75,193,170.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897,552.40 : 139,238,620.92 = 54,487,804.95 : x
  2. Step 2: Convert to fraction form
    100,897,552.40/139,238,620.92 = 54,487,804.95/x
  3. Step 3: Cross multiply
    100,897,552.40x = 139,238,620.92 × 54,487,804.95
  4. Step 4: Simplify right side
    100,897,552.40x = 7,586,806,818,195,949
  5. Step 5: Solve for x
    x = 7,586,806,818,195,949/100,897,552.40
  6. Step 6: Final answer
    x = 75,193,170.08

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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.