Home / 220,129,512.40-330,194,268.60-124,578,024.40

Finding the Fourth Proportional to 220,129,512.40, 330,194,268.60 and 124,578,024.40

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Solution

The fourth proportional to 220,129,512.40, 330,194,268.60 and 124,578,024.40 is: 186,867,036.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,129,512.40 : 330,194,268.60 = 124,578,024.40 : x
  2. Step 2: Convert to fraction form
    220,129,512.40/330,194,268.60 = 124,578,024.40/x
  3. Step 3: Cross multiply
    220,129,512.40x = 330,194,268.60 × 124,578,024.40
  4. Step 4: Simplify right side
    220,129,512.40x = 41,134,949,650,390,960
  5. Step 5: Solve for x
    x = 41,134,949,650,390,960/220,129,512.40
  6. Step 6: Final answer
    x = 186,867,036.60

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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.