Home / 118,206,878.80-177,310,318.20-63,787,320.40

Finding the Fourth Proportional to 118,206,878.80, 177,310,318.20 and 63,787,320.40

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Solution

The fourth proportional to 118,206,878.80, 177,310,318.20 and 63,787,320.40 is: 95,680,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,206,878.80 : 177,310,318.20 = 63,787,320.40 : x
  2. Step 2: Convert to fraction form
    118,206,878.80/177,310,318.20 = 63,787,320.40/x
  3. Step 3: Cross multiply
    118,206,878.80x = 177,310,318.20 × 63,787,320.40
  4. Step 4: Simplify right side
    118,206,878.80x = 11,310,150,077,249,350
  5. Step 5: Solve for x
    x = 11,310,150,077,249,350/118,206,878.80
  6. Step 6: Final answer
    x = 95,680,980.60

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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.