Home / 84,008,848.40-125,761,330.20-49,912,643.60

Finding the Fourth Proportional to 84,008,848.40, 125,761,330.20 and 49,912,643.60

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Solution

The fourth proportional to 84,008,848.40, 125,761,330.20 and 49,912,643.60 is: 74,719,277.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,008,848.40 : 125,761,330.20 = 49,912,643.60 : x
  2. Step 2: Convert to fraction form
    84,008,848.40/125,761,330.20 = 49,912,643.60/x
  3. Step 3: Cross multiply
    84,008,848.40x = 125,761,330.20 × 49,912,643.60
  4. Step 4: Simplify right side
    84,008,848.40x = 6,277,080,452,934,517
  5. Step 5: Solve for x
    x = 6,277,080,452,934,517/84,008,848.40
  6. Step 6: Final answer
    x = 74,719,277.46

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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.