Home / 193,129,230.80-289,504,889.40-77,960,061.20

Finding the Fourth Proportional to 193,129,230.80, 289,504,889.40 and 77,960,061.20

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Solution

The fourth proportional to 193,129,230.80, 289,504,889.40 and 77,960,061.20 is: 116,863,816.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,129,230.80 : 289,504,889.40 = 77,960,061.20 : x
  2. Step 2: Convert to fraction form
    193,129,230.80/289,504,889.40 = 77,960,061.20/x
  3. Step 3: Cross multiply
    193,129,230.80x = 289,504,889.40 × 77,960,061.20
  4. Step 4: Simplify right side
    193,129,230.80x = 22,569,818,895,323,232
  5. Step 5: Solve for x
    x = 22,569,818,895,323,232/193,129,230.80
  6. Step 6: Final answer
    x = 116,863,816.01

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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.