Home / 89,337,998.70-134,006,998.05-80,268,072.30

Finding the Fourth Proportional to 89,337,998.70, 134,006,998.05 and 80,268,072.30

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Solution

The fourth proportional to 89,337,998.70, 134,006,998.05 and 80,268,072.30 is: 120,402,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,337,998.70 : 134,006,998.05 = 80,268,072.30 : x
  2. Step 2: Convert to fraction form
    89,337,998.70/134,006,998.05 = 80,268,072.30/x
  3. Step 3: Cross multiply
    89,337,998.70x = 134,006,998.05 × 80,268,072.30
  4. Step 4: Simplify right side
    89,337,998.70x = 10,756,483,408,183,358
  5. Step 5: Solve for x
    x = 10,756,483,408,183,358/89,337,998.70
  6. Step 6: Final answer
    x = 120,402,108.45

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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.