Home / 146,642,509.20-220,198,771.80-116,600,192.40

Finding the Fourth Proportional to 146,642,509.20, 220,198,771.80 and 116,600,192.40

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Solution

The fourth proportional to 146,642,509.20, 220,198,771.80 and 116,600,192.40 is: 175,087,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,642,509.20 : 220,198,771.80 = 116,600,192.40 : x
  2. Step 2: Convert to fraction form
    146,642,509.20/220,198,771.80 = 116,600,192.40/x
  3. Step 3: Cross multiply
    146,642,509.20x = 220,198,771.80 × 116,600,192.40
  4. Step 4: Simplify right side
    146,642,509.20x = 25,675,219,158,123,696
  5. Step 5: Solve for x
    x = 25,675,219,158,123,696/146,642,509.20
  6. Step 6: Final answer
    x = 175,087,151.05

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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.