Home / 99,434,956.80-148,900,492.80-79,279,564.80

Finding the Fourth Proportional to 99,434,956.80, 148,900,492.80 and 79,279,564.80

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Solution

The fourth proportional to 99,434,956.80, 148,900,492.80 and 79,279,564.80 is: 118,718,473.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,434,956.80 : 148,900,492.80 = 79,279,564.80 : x
  2. Step 2: Convert to fraction form
    99,434,956.80/148,900,492.80 = 79,279,564.80/x
  3. Step 3: Cross multiply
    99,434,956.80x = 148,900,492.80 × 79,279,564.80
  4. Step 4: Simplify right side
    99,434,956.80x = 11,804,766,267,689,534
  5. Step 5: Solve for x
    x = 11,804,766,267,689,534/99,434,956.80
  6. Step 6: Final answer
    x = 118,718,473.34

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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.