Home / 84,200,528.70-126,300,793.05-51,888,915.90

Finding the Fourth Proportional to 84,200,528.70, 126,300,793.05 and 51,888,915.90

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Solution

The fourth proportional to 84,200,528.70, 126,300,793.05 and 51,888,915.90 is: 77,833,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,200,528.70 : 126,300,793.05 = 51,888,915.90 : x
  2. Step 2: Convert to fraction form
    84,200,528.70/126,300,793.05 = 51,888,915.90/x
  3. Step 3: Cross multiply
    84,200,528.70x = 126,300,793.05 × 51,888,915.90
  4. Step 4: Simplify right side
    84,200,528.70x = 6,553,611,228,674,754
  5. Step 5: Solve for x
    x = 6,553,611,228,674,754/84,200,528.70
  6. Step 6: Final answer
    x = 77,833,373.85

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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.