Home / 86,160,864.38-118,901,993.04-47,002,799.07

Finding the Fourth Proportional to 86,160,864.38, 118,901,993.04 and 47,002,799.07

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Solution

The fourth proportional to 86,160,864.38, 118,901,993.04 and 47,002,799.07 is: 64,863,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,160,864.38 : 118,901,993.04 = 47,002,799.07 : x
  2. Step 2: Convert to fraction form
    86,160,864.38/118,901,993.04 = 47,002,799.07/x
  3. Step 3: Cross multiply
    86,160,864.38x = 118,901,993.04 × 47,002,799.07
  4. Step 4: Simplify right side
    86,160,864.38x = 5,588,726,487,881,659
  5. Step 5: Solve for x
    x = 5,588,726,487,881,659/86,160,864.38
  6. Step 6: Final answer
    x = 64,863,862.83

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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.