Home / 115,452,907.49-159,264,607.70-71,385,819.77

Finding the Fourth Proportional to 115,452,907.49, 159,264,607.70 and 71,385,819.77

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Solution

The fourth proportional to 115,452,907.49, 159,264,607.70 and 71,385,819.77 is: 98,475,082.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,452,907.49 : 159,264,607.70 = 71,385,819.77 : x
  2. Step 2: Convert to fraction form
    115,452,907.49/159,264,607.70 = 71,385,819.77/x
  3. Step 3: Cross multiply
    115,452,907.49x = 159,264,607.70 × 71,385,819.77
  4. Step 4: Simplify right side
    115,452,907.49x = 11,369,234,579,858,702
  5. Step 5: Solve for x
    x = 11,369,234,579,858,702/115,452,907.49
  6. Step 6: Final answer
    x = 98,475,082.42

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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.