Home / 345,384,939.40-518,020,661.28-124,010,452.24

Finding the Fourth Proportional to 345,384,939.40, 518,020,661.28 and 124,010,452.24

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Solution

The fourth proportional to 345,384,939.40, 518,020,661.28 and 124,010,452.24 is: 185,995,303.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,384,939.40 : 518,020,661.28 = 124,010,452.24 : x
  2. Step 2: Convert to fraction form
    345,384,939.40/518,020,661.28 = 124,010,452.24/x
  3. Step 3: Cross multiply
    345,384,939.40x = 518,020,661.28 × 124,010,452.24
  4. Step 4: Simplify right side
    345,384,939.40x = 64,239,976,474,996,648
  5. Step 5: Solve for x
    x = 64,239,976,474,996,648/345,384,939.40
  6. Step 6: Final answer
    x = 185,995,303.06

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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.