Home / 239,173,821.70-358,760,732.55-57,420,999.70

Finding the Fourth Proportional to 239,173,821.70, 358,760,732.55 and 57,420,999.70

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Solution

The fourth proportional to 239,173,821.70, 358,760,732.55 and 57,420,999.70 is: 86,131,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,173,821.70 : 358,760,732.55 = 57,420,999.70 : x
  2. Step 2: Convert to fraction form
    239,173,821.70/358,760,732.55 = 57,420,999.70/x
  3. Step 3: Cross multiply
    239,173,821.70x = 358,760,732.55 × 57,420,999.70
  4. Step 4: Simplify right side
    239,173,821.70x = 20,600,399,916,125,332
  5. Step 5: Solve for x
    x = 20,600,399,916,125,332/239,173,821.70
  6. Step 6: Final answer
    x = 86,131,499.55

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1.5x scale

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.