Home / 112,344,082.80-168,516,124.20-82,110,994.80

Finding the Fourth Proportional to 112,344,082.80, 168,516,124.20 and 82,110,994.80

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Solution

The fourth proportional to 112,344,082.80, 168,516,124.20 and 82,110,994.80 is: 123,166,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,344,082.80 : 168,516,124.20 = 82,110,994.80 : x
  2. Step 2: Convert to fraction form
    112,344,082.80/168,516,124.20 = 82,110,994.80/x
  3. Step 3: Cross multiply
    112,344,082.80x = 168,516,124.20 × 82,110,994.80
  4. Step 4: Simplify right side
    112,344,082.80x = 13,837,026,597,902,352
  5. Step 5: Solve for x
    x = 13,837,026,597,902,352/112,344,082.80
  6. Step 6: Final answer
    x = 123,166,492.20

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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.