Home / 121,117,028.80-181,675,543.20-88,592,839.60

Finding the Fourth Proportional to 121,117,028.80, 181,675,543.20 and 88,592,839.60

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Solution

The fourth proportional to 121,117,028.80, 181,675,543.20 and 88,592,839.60 is: 132,889,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,117,028.80 : 181,675,543.20 = 88,592,839.60 : x
  2. Step 2: Convert to fraction form
    121,117,028.80/181,675,543.20 = 88,592,839.60/x
  3. Step 3: Cross multiply
    121,117,028.80x = 181,675,543.20 × 88,592,839.60
  4. Step 4: Simplify right side
    121,117,028.80x = 16,095,152,257,960,468
  5. Step 5: Solve for x
    x = 16,095,152,257,960,468/121,117,028.80
  6. Step 6: Final answer
    x = 132,889,259.40

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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.