Home / 74,889,902.20-112,334,853.30-31,751,764.60

Finding the Fourth Proportional to 74,889,902.20, 112,334,853.30 and 31,751,764.60

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Solution

The fourth proportional to 74,889,902.20, 112,334,853.30 and 31,751,764.60 is: 47,627,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,902.20 : 112,334,853.30 = 31,751,764.60 : x
  2. Step 2: Convert to fraction form
    74,889,902.20/112,334,853.30 = 31,751,764.60/x
  3. Step 3: Cross multiply
    74,889,902.20x = 112,334,853.30 × 31,751,764.60
  4. Step 4: Simplify right side
    74,889,902.20x = 3,566,829,818,357,133.50
  5. Step 5: Solve for x
    x = 3,566,829,818,357,133.50/74,889,902.20
  6. Step 6: Final answer
    x = 47,627,646.90

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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.