Home / 80,064,929.70-119,858,246.10-47,700,172.80

Finding the Fourth Proportional to 80,064,929.70, 119,858,246.10 and 47,700,172.80

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Solution

The fourth proportional to 80,064,929.70, 119,858,246.10 and 47,700,172.80 is: 71,407,782.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,064,929.70 : 119,858,246.10 = 47,700,172.80 : x
  2. Step 2: Convert to fraction form
    80,064,929.70/119,858,246.10 = 47,700,172.80/x
  3. Step 3: Cross multiply
    80,064,929.70x = 119,858,246.10 × 47,700,172.80
  4. Step 4: Simplify right side
    80,064,929.70x = 5,717,259,050,474,925
  5. Step 5: Solve for x
    x = 5,717,259,050,474,925/80,064,929.70
  6. Step 6: Final answer
    x = 71,407,782.06

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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.