Home / 79,456,279.40-119,184,419.10-47,207,652.20

Finding the Fourth Proportional to 79,456,279.40, 119,184,419.10 and 47,207,652.20

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Solution

The fourth proportional to 79,456,279.40, 119,184,419.10 and 47,207,652.20 is: 70,811,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,456,279.40 : 119,184,419.10 = 47,207,652.20 : x
  2. Step 2: Convert to fraction form
    79,456,279.40/119,184,419.10 = 47,207,652.20/x
  3. Step 3: Cross multiply
    79,456,279.40x = 119,184,419.10 × 47,207,652.20
  4. Step 4: Simplify right side
    79,456,279.40x = 5,626,416,604,531,837
  5. Step 5: Solve for x
    x = 5,626,416,604,531,837/79,456,279.40
  6. Step 6: Final answer
    x = 70,811,478.30

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Similar ratio
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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.