Home / 89,073,089.10-133,609,633.65-80,463,744.90

Finding the Fourth Proportional to 89,073,089.10, 133,609,633.65 and 80,463,744.90

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Solution

The fourth proportional to 89,073,089.10, 133,609,633.65 and 80,463,744.90 is: 120,695,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,073,089.10 : 133,609,633.65 = 80,463,744.90 : x
  2. Step 2: Convert to fraction form
    89,073,089.10/133,609,633.65 = 80,463,744.90/x
  3. Step 3: Cross multiply
    89,073,089.10x = 133,609,633.65 × 80,463,744.90
  4. Step 4: Simplify right side
    89,073,089.10x = 10,750,731,478,196,058
  5. Step 5: Solve for x
    x = 10,750,731,478,196,058/89,073,089.10
  6. Step 6: Final answer
    x = 120,695,617.35

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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.