Home / 186,700,920.20-280,051,380.30-118,844,433.80

Finding the Fourth Proportional to 186,700,920.20, 280,051,380.30 and 118,844,433.80

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Solution

The fourth proportional to 186,700,920.20, 280,051,380.30 and 118,844,433.80 is: 178,266,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,700,920.20 : 280,051,380.30 = 118,844,433.80 : x
  2. Step 2: Convert to fraction form
    186,700,920.20/280,051,380.30 = 118,844,433.80/x
  3. Step 3: Cross multiply
    186,700,920.20x = 280,051,380.30 × 118,844,433.80
  4. Step 4: Simplify right side
    186,700,920.20x = 33,282,547,726,661,976
  5. Step 5: Solve for x
    x = 33,282,547,726,661,976/186,700,920.20
  6. Step 6: Final answer
    x = 178,266,650.70

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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.