Home / 185,679,028.80-278,518,543.20-99,585,586.80

Finding the Fourth Proportional to 185,679,028.80, 278,518,543.20 and 99,585,586.80

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Solution

The fourth proportional to 185,679,028.80, 278,518,543.20 and 99,585,586.80 is: 149,378,380.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,679,028.80 : 278,518,543.20 = 99,585,586.80 : x
  2. Step 2: Convert to fraction form
    185,679,028.80/278,518,543.20 = 99,585,586.80/x
  3. Step 3: Cross multiply
    185,679,028.80x = 278,518,543.20 × 99,585,586.80
  4. Step 4: Simplify right side
    185,679,028.80x = 27,736,432,559,253,148
  5. Step 5: Solve for x
    x = 27,736,432,559,253,148/185,679,028.80
  6. Step 6: Final answer
    x = 149,378,380.20

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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.