Home / 131,446,244.70-180,445,937.45-112,829,063.76

Finding the Fourth Proportional to 131,446,244.70, 180,445,937.45 and 112,829,063.76

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Solution

The fourth proportional to 131,446,244.70, 180,445,937.45 and 112,829,063.76 is: 154,888,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,446,244.70 : 180,445,937.45 = 112,829,063.76 : x
  2. Step 2: Convert to fraction form
    131,446,244.70/180,445,937.45 = 112,829,063.76/x
  3. Step 3: Cross multiply
    131,446,244.70x = 180,445,937.45 × 112,829,063.76
  4. Step 4: Simplify right side
    131,446,244.70x = 20,359,546,181,214,876
  5. Step 5: Solve for x
    x = 20,359,546,181,214,876/131,446,244.70
  6. Step 6: Final answer
    x = 154,888,762.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.