Home / 130,012,762.68-179,416,467.72-71,274,360.96

Finding the Fourth Proportional to 130,012,762.68, 179,416,467.72 and 71,274,360.96

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Solution

The fourth proportional to 130,012,762.68, 179,416,467.72 and 71,274,360.96 is: 98,357,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,012,762.68 : 179,416,467.72 = 71,274,360.96 : x
  2. Step 2: Convert to fraction form
    130,012,762.68/179,416,467.72 = 71,274,360.96/x
  3. Step 3: Cross multiply
    130,012,762.68x = 179,416,467.72 × 71,274,360.96
  4. Step 4: Simplify right side
    130,012,762.68x = 12,787,794,082,443,466
  5. Step 5: Solve for x
    x = 12,787,794,082,443,466/130,012,762.68
  6. Step 6: Final answer
    x = 98,357,990.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.