Home / 104,976,117.70-157,464,176.55-78,900,079.30

Finding the Fourth Proportional to 104,976,117.70, 157,464,176.55 and 78,900,079.30

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Solution

The fourth proportional to 104,976,117.70, 157,464,176.55 and 78,900,079.30 is: 118,350,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,117.70 : 157,464,176.55 = 78,900,079.30 : x
  2. Step 2: Convert to fraction form
    104,976,117.70/157,464,176.55 = 78,900,079.30/x
  3. Step 3: Cross multiply
    104,976,117.70x = 157,464,176.55 × 78,900,079.30
  4. Step 4: Simplify right side
    104,976,117.70x = 12,423,936,016,704,200
  5. Step 5: Solve for x
    x = 12,423,936,016,704,200/104,976,117.70
  6. Step 6: Final answer
    x = 118,350,118.95

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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.