Home / 129,948,485.04-179,329,034.70-71,211,279.96

Finding the Fourth Proportional to 129,948,485.04, 179,329,034.70 and 71,211,279.96

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Solution

The fourth proportional to 129,948,485.04, 179,329,034.70 and 71,211,279.96 is: 98,271,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,948,485.04 : 179,329,034.70 = 71,211,279.96 : x
  2. Step 2: Convert to fraction form
    129,948,485.04/179,329,034.70 = 71,211,279.96/x
  3. Step 3: Cross multiply
    129,948,485.04x = 179,329,034.70 × 71,211,279.96
  4. Step 4: Simplify right side
    129,948,485.04x = 12,770,250,094,978,252
  5. Step 5: Solve for x
    x = 12,770,250,094,978,252/129,948,485.04
  6. Step 6: Final answer
    x = 98,271,635.03

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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.