Home / 98,079,117.68-147,122,817.24-28,992,079.28

Finding the Fourth Proportional to 98,079,117.68, 147,122,817.24 and 28,992,079.28

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Solution

The fourth proportional to 98,079,117.68, 147,122,817.24 and 28,992,079.28 is: 43,489,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,079,117.68 : 147,122,817.24 = 28,992,079.28 : x
  2. Step 2: Convert to fraction form
    98,079,117.68/147,122,817.24 = 28,992,079.28/x
  3. Step 3: Cross multiply
    98,079,117.68x = 147,122,817.24 × 28,992,079.28
  4. Step 4: Simplify right side
    98,079,117.68x = 4,265,396,381,319,031
  5. Step 5: Solve for x
    x = 4,265,396,381,319,031/98,079,117.68
  6. Step 6: Final answer
    x = 43,489,342.91

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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.