Home / 274,720,007.40-412,080,011.10-83,218,900.20

Finding the Fourth Proportional to 274,720,007.40, 412,080,011.10 and 83,218,900.20

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Solution

The fourth proportional to 274,720,007.40, 412,080,011.10 and 83,218,900.20 is: 124,828,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,720,007.40 : 412,080,011.10 = 83,218,900.20 : x
  2. Step 2: Convert to fraction form
    274,720,007.40/412,080,011.10 = 83,218,900.20/x
  3. Step 3: Cross multiply
    274,720,007.40x = 412,080,011.10 × 83,218,900.20
  4. Step 4: Simplify right side
    274,720,007.40x = 34,292,845,318,145,796
  5. Step 5: Solve for x
    x = 34,292,845,318,145,796/274,720,007.40
  6. Step 6: Final answer
    x = 124,828,350.30

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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.