Home / 138,931,569.12-208,429,097.04-48,055,081.44

Finding the Fourth Proportional to 138,931,569.12, 208,429,097.04 and 48,055,081.44

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Solution

The fourth proportional to 138,931,569.12, 208,429,097.04 and 48,055,081.44 is: 72,093,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,931,569.12 : 208,429,097.04 = 48,055,081.44 : x
  2. Step 2: Convert to fraction form
    138,931,569.12/208,429,097.04 = 48,055,081.44/x
  3. Step 3: Cross multiply
    138,931,569.12x = 208,429,097.04 × 48,055,081.44
  4. Step 4: Simplify right side
    138,931,569.12x = 10,016,077,232,722,862
  5. Step 5: Solve for x
    x = 10,016,077,232,722,862/138,931,569.12
  6. Step 6: Final answer
    x = 72,093,601.88

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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.