Home / 121,116,820.80-181,675,231.20-88,592,631.60

Finding the Fourth Proportional to 121,116,820.80, 181,675,231.20 and 88,592,631.60

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Solution

The fourth proportional to 121,116,820.80, 181,675,231.20 and 88,592,631.60 is: 132,888,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,116,820.80 : 181,675,231.20 = 88,592,631.60 : x
  2. Step 2: Convert to fraction form
    121,116,820.80/181,675,231.20 = 88,592,631.60/x
  3. Step 3: Cross multiply
    121,116,820.80x = 181,675,231.20 × 88,592,631.60
  4. Step 4: Simplify right side
    121,116,820.80x = 16,095,086,828,546,424
  5. Step 5: Solve for x
    x = 16,095,086,828,546,424/121,116,820.80
  6. Step 6: Final answer
    x = 132,888,947.40

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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.