Home / 66,428,863.95-99,643,295.93-49,422,751.95

Finding the Fourth Proportional to 66,428,863.95, 99,643,295.93 and 49,422,751.95

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Solution

The fourth proportional to 66,428,863.95, 99,643,295.93 and 49,422,751.95 is: 74,134,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428,863.95 : 99,643,295.93 = 49,422,751.95 : x
  2. Step 2: Convert to fraction form
    66,428,863.95/99,643,295.93 = 49,422,751.95/x
  3. Step 3: Cross multiply
    66,428,863.95x = 99,643,295.93 × 49,422,751.95
  4. Step 4: Simplify right side
    66,428,863.95x = 4,924,645,897,981,721
  5. Step 5: Solve for x
    x = 4,924,645,897,981,721/66,428,863.95
  6. Step 6: Final answer
    x = 74,134,127.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.