Home / 121,275,357.80-181,913,036.70-44,582,516.60

Finding the Fourth Proportional to 121,275,357.80, 181,913,036.70 and 44,582,516.60

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Solution

The fourth proportional to 121,275,357.80, 181,913,036.70 and 44,582,516.60 is: 66,873,774.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,275,357.80 : 181,913,036.70 = 44,582,516.60 : x
  2. Step 2: Convert to fraction form
    121,275,357.80/181,913,036.70 = 44,582,516.60/x
  3. Step 3: Cross multiply
    121,275,357.80x = 181,913,036.70 × 44,582,516.60
  4. Step 4: Simplify right side
    121,275,357.80x = 8,110,140,978,434,159
  5. Step 5: Solve for x
    x = 8,110,140,978,434,159/121,275,357.80
  6. Step 6: Final answer
    x = 66,873,774.90

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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.