Home / 118,206,874.80-177,310,312.20-63,787,316.40

Finding the Fourth Proportional to 118,206,874.80, 177,310,312.20 and 63,787,316.40

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Solution

The fourth proportional to 118,206,874.80, 177,310,312.20 and 63,787,316.40 is: 95,680,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,206,874.80 : 177,310,312.20 = 63,787,316.40 : x
  2. Step 2: Convert to fraction form
    118,206,874.80/177,310,312.20 = 63,787,316.40/x
  3. Step 3: Cross multiply
    118,206,874.80x = 177,310,312.20 × 63,787,316.40
  4. Step 4: Simplify right side
    118,206,874.80x = 11,310,148,985,284,180
  5. Step 5: Solve for x
    x = 11,310,148,985,284,180/118,206,874.80
  6. Step 6: Final answer
    x = 95,680,974.60

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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.