Home / 121,254,855.38-181,897,409.18-47,469,104.29

Finding the Fourth Proportional to 121,254,855.38, 181,897,409.18 and 47,469,104.29

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Solution

The fourth proportional to 121,254,855.38, 181,897,409.18 and 47,469,104.29 is: 71,209,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,254,855.38 : 181,897,409.18 = 47,469,104.29 : x
  2. Step 2: Convert to fraction form
    121,254,855.38/181,897,409.18 = 47,469,104.29/x
  3. Step 3: Cross multiply
    121,254,855.38x = 181,897,409.18 × 47,469,104.29
  4. Step 4: Simplify right side
    121,254,855.38x = 8,634,507,085,679,854
  5. Step 5: Solve for x
    x = 8,634,507,085,679,854/121,254,855.38
  6. Step 6: Final answer
    x = 71,209,578.03

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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.