Home / 296,381,631.96-444,532,090.10-78,013,687.68

Finding the Fourth Proportional to 296,381,631.96, 444,532,090.10 and 78,013,687.68

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Solution

The fourth proportional to 296,381,631.96, 444,532,090.10 and 78,013,687.68 is: 117,009,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,381,631.96 : 444,532,090.10 = 78,013,687.68 : x
  2. Step 2: Convert to fraction form
    296,381,631.96/444,532,090.10 = 78,013,687.68/x
  3. Step 3: Cross multiply
    296,381,631.96x = 444,532,090.10 × 78,013,687.68
  4. Step 4: Simplify right side
    296,381,631.96x = 34,679,587,640,408,956
  5. Step 5: Solve for x
    x = 34,679,587,640,408,956/296,381,631.96
  6. Step 6: Final answer
    x = 117,009,908.51

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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.