Home / 121,116,959.80-181,675,439.70-88,592,770.60

Finding the Fourth Proportional to 121,116,959.80, 181,675,439.70 and 88,592,770.60

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Solution

The fourth proportional to 121,116,959.80, 181,675,439.70 and 88,592,770.60 is: 132,889,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,116,959.80 : 181,675,439.70 = 88,592,770.60 : x
  2. Step 2: Convert to fraction form
    121,116,959.80/181,675,439.70 = 88,592,770.60/x
  3. Step 3: Cross multiply
    121,116,959.80x = 181,675,439.70 × 88,592,770.60
  4. Step 4: Simplify right side
    121,116,959.80x = 16,095,130,552,996,230
  5. Step 5: Solve for x
    x = 16,095,130,552,996,230/121,116,959.80
  6. Step 6: Final answer
    x = 132,889,155.90

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1.5x scale

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.