Home / 193,513,816.20-289,872,593.10-97,829,617.80

Finding the Fourth Proportional to 193,513,816.20, 289,872,593.10 and 97,829,617.80

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Solution

The fourth proportional to 193,513,816.20, 289,872,593.10 and 97,829,617.80 is: 146,543,154.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,513,816.20 : 289,872,593.10 = 97,829,617.80 : x
  2. Step 2: Convert to fraction form
    193,513,816.20/289,872,593.10 = 97,829,617.80/x
  3. Step 3: Cross multiply
    193,513,816.20x = 289,872,593.10 × 97,829,617.80
  4. Step 4: Simplify right side
    193,513,816.20x = 28,358,124,993,667,920
  5. Step 5: Solve for x
    x = 28,358,124,993,667,920/193,513,816.20
  6. Step 6: Final answer
    x = 146,543,154.13

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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.