Home / 79,456,281.40-119,184,422.10-47,207,654.20

Finding the Fourth Proportional to 79,456,281.40, 119,184,422.10 and 47,207,654.20

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Solution

The fourth proportional to 79,456,281.40, 119,184,422.10 and 47,207,654.20 is: 70,811,481.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,456,281.40 : 119,184,422.10 = 47,207,654.20 : x
  2. Step 2: Convert to fraction form
    79,456,281.40/119,184,422.10 = 47,207,654.20/x
  3. Step 3: Cross multiply
    79,456,281.40x = 119,184,422.10 × 47,207,654.20
  4. Step 4: Simplify right side
    79,456,281.40x = 5,626,416,984,523,638
  5. Step 5: Solve for x
    x = 5,626,416,984,523,638/79,456,281.40
  6. Step 6: Final answer
    x = 70,811,481.30

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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.