Home / 121,127,360.70-181,691,041.05-111,773,999.10

Finding the Fourth Proportional to 121,127,360.70, 181,691,041.05 and 111,773,999.10

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Solution

The fourth proportional to 121,127,360.70, 181,691,041.05 and 111,773,999.10 is: 167,660,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,127,360.70 : 181,691,041.05 = 111,773,999.10 : x
  2. Step 2: Convert to fraction form
    121,127,360.70/181,691,041.05 = 111,773,999.10/x
  3. Step 3: Cross multiply
    121,127,360.70x = 181,691,041.05 × 111,773,999.10
  4. Step 4: Simplify right side
    121,127,360.70x = 20,308,334,258,800,764
  5. Step 5: Solve for x
    x = 20,308,334,258,800,764/121,127,360.70
  6. Step 6: Final answer
    x = 167,660,998.65

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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.