Home / 88,741,077.66-133,717,339.72-72,921,407.69

Finding the Fourth Proportional to 88,741,077.66, 133,717,339.72 and 72,921,407.69

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Solution

The fourth proportional to 88,741,077.66, 133,717,339.72 and 72,921,407.69 is: 109,879,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,741,077.66 : 133,717,339.72 = 72,921,407.69 : x
  2. Step 2: Convert to fraction form
    88,741,077.66/133,717,339.72 = 72,921,407.69/x
  3. Step 3: Cross multiply
    88,741,077.66x = 133,717,339.72 × 72,921,407.69
  4. Step 4: Simplify right side
    88,741,077.66x = 9,750,856,645,369,794
  5. Step 5: Solve for x
    x = 9,750,856,645,369,794/88,741,077.66
  6. Step 6: Final answer
    x = 109,879,853.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.