Home / 129,861,053-179,213,886.44-71,914,301

Finding the Fourth Proportional to 129,861,053, 179,213,886.44 and 71,914,301

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Solution

The fourth proportional to 129,861,053, 179,213,886.44 and 71,914,301 is: 99,244,854.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,861,053 : 179,213,886.44 = 71,914,301 : x
  2. Step 2: Convert to fraction form
    129,861,053/179,213,886.44 = 71,914,301/x
  3. Step 3: Cross multiply
    129,861,053x = 179,213,886.44 × 71,914,301
  4. Step 4: Simplify right side
    129,861,053x = 12,888,041,372,825,978
  5. Step 5: Solve for x
    x = 12,888,041,372,825,978/129,861,053
  6. Step 6: Final answer
    x = 99,244,854.98

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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.