Home / 186,746,786.10-280,120,179.15-122,249,531.70

Finding the Fourth Proportional to 186,746,786.10, 280,120,179.15 and 122,249,531.70

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Solution

The fourth proportional to 186,746,786.10, 280,120,179.15 and 122,249,531.70 is: 183,374,297.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,746,786.10 : 280,120,179.15 = 122,249,531.70 : x
  2. Step 2: Convert to fraction form
    186,746,786.10/280,120,179.15 = 122,249,531.70/x
  3. Step 3: Cross multiply
    186,746,786.10x = 280,120,179.15 × 122,249,531.70
  4. Step 4: Simplify right side
    186,746,786.10x = 34,244,560,720,807,600
  5. Step 5: Solve for x
    x = 34,244,560,720,807,600/186,746,786.10
  6. Step 6: Final answer
    x = 183,374,297.55

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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.