Home / 131,446,245.70-180,445,938.82-112,829,064.76

Finding the Fourth Proportional to 131,446,245.70, 180,445,938.82 and 112,829,064.76

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Solution

The fourth proportional to 131,446,245.70, 180,445,938.82 and 112,829,064.76 is: 154,888,763.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,446,245.70 : 180,445,938.82 = 112,829,064.76 : x
  2. Step 2: Convert to fraction form
    131,446,245.70/180,445,938.82 = 112,829,064.76/x
  3. Step 3: Cross multiply
    131,446,245.70x = 180,445,938.82 × 112,829,064.76
  4. Step 4: Simplify right side
    131,446,245.70x = 20,359,546,516,800,780
  5. Step 5: Solve for x
    x = 20,359,546,516,800,780/131,446,245.70
  6. Step 6: Final answer
    x = 154,888,763.91

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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.