Home / 124,020,456.64-185,905,629.42-77,995,218.52

Finding the Fourth Proportional to 124,020,456.64, 185,905,629.42 and 77,995,218.52

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Solution

The fourth proportional to 124,020,456.64, 185,905,629.42 and 77,995,218.52 is: 116,914,181.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,020,456.64 : 185,905,629.42 = 77,995,218.52 : x
  2. Step 2: Convert to fraction form
    124,020,456.64/185,905,629.42 = 77,995,218.52/x
  3. Step 3: Cross multiply
    124,020,456.64x = 185,905,629.42 × 77,995,218.52
  4. Step 4: Simplify right side
    124,020,456.64x = 14,499,750,190,711,040
  5. Step 5: Solve for x
    x = 14,499,750,190,711,040/124,020,456.64
  6. Step 6: Final answer
    x = 116,914,181.61

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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.