Home / 129,861,052-179,213,885.04-71,914,300

Finding the Fourth Proportional to 129,861,052, 179,213,885.04 and 71,914,300

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Solution

The fourth proportional to 129,861,052, 179,213,885.04 and 71,914,300 is: 99,244,853.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,861,052 : 179,213,885.04 = 71,914,300 : x
  2. Step 2: Convert to fraction form
    129,861,052/179,213,885.04 = 71,914,300/x
  3. Step 3: Cross multiply
    129,861,052x = 179,213,885.04 × 71,914,300
  4. Step 4: Simplify right side
    129,861,052x = 12,888,041,092,932,072
  5. Step 5: Solve for x
    x = 12,888,041,092,932,072/129,861,052
  6. Step 6: Final answer
    x = 99,244,853.59

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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.