Home / 155,268,547.80-232,705,007.55-82,520,179.80

Finding the Fourth Proportional to 155,268,547.80, 232,705,007.55 and 82,520,179.80

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Solution

The fourth proportional to 155,268,547.80, 232,705,007.55 and 82,520,179.80 is: 123,675,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,268,547.80 : 232,705,007.55 = 82,520,179.80 : x
  2. Step 2: Convert to fraction form
    155,268,547.80/232,705,007.55 = 82,520,179.80/x
  3. Step 3: Cross multiply
    155,268,547.80x = 232,705,007.55 × 82,520,179.80
  4. Step 4: Simplify right side
    155,268,547.80x = 19,202,859,063,386,356
  5. Step 5: Solve for x
    x = 19,202,859,063,386,356/155,268,547.80
  6. Step 6: Final answer
    x = 123,675,137.92

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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.