Home / 165,038,891.40-247,558,337.10-50,008,486.95

Finding the Fourth Proportional to 165,038,891.40, 247,558,337.10 and 50,008,486.95

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Solution

The fourth proportional to 165,038,891.40, 247,558,337.10 and 50,008,486.95 is: 75,012,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,038,891.40 : 247,558,337.10 = 50,008,486.95 : x
  2. Step 2: Convert to fraction form
    165,038,891.40/247,558,337.10 = 50,008,486.95/x
  3. Step 3: Cross multiply
    165,038,891.40x = 247,558,337.10 × 50,008,486.95
  4. Step 4: Simplify right side
    165,038,891.40x = 12,380,017,870,229,052
  5. Step 5: Solve for x
    x = 12,380,017,870,229,052/165,038,891.40
  6. Step 6: Final answer
    x = 75,012,730.43

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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.