Home / 84,250,877.40-126,376,316.10-47,845,200.60

Finding the Fourth Proportional to 84,250,877.40, 126,376,316.10 and 47,845,200.60

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Solution

The fourth proportional to 84,250,877.40, 126,376,316.10 and 47,845,200.60 is: 71,767,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,250,877.40 : 126,376,316.10 = 47,845,200.60 : x
  2. Step 2: Convert to fraction form
    84,250,877.40/126,376,316.10 = 47,845,200.60/x
  3. Step 3: Cross multiply
    84,250,877.40x = 126,376,316.10 × 47,845,200.60
  4. Step 4: Simplify right side
    84,250,877.40x = 6,046,500,194,893,510
  5. Step 5: Solve for x
    x = 6,046,500,194,893,510/84,250,877.40
  6. Step 6: Final answer
    x = 71,767,800.90

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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.