Home / 193,513,832.70-289,872,617.85-97,829,634.30

Finding the Fourth Proportional to 193,513,832.70, 289,872,617.85 and 97,829,634.30

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Solution

The fourth proportional to 193,513,832.70, 289,872,617.85 and 97,829,634.30 is: 146,543,178.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,513,832.70 : 289,872,617.85 = 97,829,634.30 : x
  2. Step 2: Convert to fraction form
    193,513,832.70/289,872,617.85 = 97,829,634.30/x
  3. Step 3: Cross multiply
    193,513,832.70x = 289,872,617.85 × 97,829,634.30
  4. Step 4: Simplify right side
    193,513,832.70x = 28,358,132,197,849,152
  5. Step 5: Solve for x
    x = 28,358,132,197,849,152/193,513,832.70
  6. Step 6: Final answer
    x = 146,543,178.86

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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.