Home / 185,484,941.20-278,227,411.80-131,065,382.80

Finding the Fourth Proportional to 185,484,941.20, 278,227,411.80 and 131,065,382.80

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Solution

The fourth proportional to 185,484,941.20, 278,227,411.80 and 131,065,382.80 is: 196,598,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,484,941.20 : 278,227,411.80 = 131,065,382.80 : x
  2. Step 2: Convert to fraction form
    185,484,941.20/278,227,411.80 = 131,065,382.80/x
  3. Step 3: Cross multiply
    185,484,941.20x = 278,227,411.80 × 131,065,382.80
  4. Step 4: Simplify right side
    185,484,941.20x = 36,465,982,233,020,240
  5. Step 5: Solve for x
    x = 36,465,982,233,020,240/185,484,941.20
  6. Step 6: Final answer
    x = 196,598,074.20

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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.