Home / 129,738,759.30-179,037,094.29-71,000,246.31

Finding the Fourth Proportional to 129,738,759.30, 179,037,094.29 and 71,000,246.31

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Solution

The fourth proportional to 129,738,759.30, 179,037,094.29 and 71,000,246.31 is: 97,979,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,738,759.30 : 179,037,094.29 = 71,000,246.31 : x
  2. Step 2: Convert to fraction form
    129,738,759.30/179,037,094.29 = 71,000,246.31/x
  3. Step 3: Cross multiply
    129,738,759.30x = 179,037,094.29 × 71,000,246.31
  4. Step 4: Simplify right side
    129,738,759.30x = 12,711,677,793,216,694
  5. Step 5: Solve for x
    x = 12,711,677,793,216,694/129,738,759.30
  6. Step 6: Final answer
    x = 97,979,030.03

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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.