Home / 129,344,722.60-193,733,648.70-114,984,005.80

Finding the Fourth Proportional to 129,344,722.60, 193,733,648.70 and 114,984,005.80

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Solution

The fourth proportional to 129,344,722.60, 193,733,648.70 and 114,984,005.80 is: 172,224,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,344,722.60 : 193,733,648.70 = 114,984,005.80 : x
  2. Step 2: Convert to fraction form
    129,344,722.60/193,733,648.70 = 114,984,005.80/x
  3. Step 3: Cross multiply
    129,344,722.60x = 193,733,648.70 × 114,984,005.80
  4. Step 4: Simplify right side
    129,344,722.60x = 22,276,270,985,775,960
  5. Step 5: Solve for x
    x = 22,276,270,985,775,960/129,344,722.60
  6. Step 6: Final answer
    x = 172,224,042.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.