Home / 87,265,162.26-120,426,288.93-48,106,079.46

Finding the Fourth Proportional to 87,265,162.26, 120,426,288.93 and 48,106,079.46

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Solution

The fourth proportional to 87,265,162.26, 120,426,288.93 and 48,106,079.46 is: 66,386,590.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,265,162.26 : 120,426,288.93 = 48,106,079.46 : x
  2. Step 2: Convert to fraction form
    87,265,162.26/120,426,288.93 = 48,106,079.46/x
  3. Step 3: Cross multiply
    87,265,162.26x = 120,426,288.93 × 48,106,079.46
  4. Step 4: Simplify right side
    87,265,162.26x = 5,793,236,624,339,499
  5. Step 5: Solve for x
    x = 5,793,236,624,339,499/87,265,162.26
  6. Step 6: Final answer
    x = 66,386,590.87

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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.