Home / 215,338,632.20-323,007,948.30-124,639,368.20

Finding the Fourth Proportional to 215,338,632.20, 323,007,948.30 and 124,639,368.20

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Solution

The fourth proportional to 215,338,632.20, 323,007,948.30 and 124,639,368.20 is: 186,959,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,338,632.20 : 323,007,948.30 = 124,639,368.20 : x
  2. Step 2: Convert to fraction form
    215,338,632.20/323,007,948.30 = 124,639,368.20/x
  3. Step 3: Cross multiply
    215,338,632.20x = 323,007,948.30 × 124,639,368.20
  4. Step 4: Simplify right side
    215,338,632.20x = 40,259,506,599,690,264
  5. Step 5: Solve for x
    x = 40,259,506,599,690,264/215,338,632.20
  6. Step 6: Final answer
    x = 186,959,052.30

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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.