Home / 115,082,401.34-172,732,737.49-71,230,512.19

Finding the Fourth Proportional to 115,082,401.34, 172,732,737.49 and 71,230,512.19

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Solution

The fourth proportional to 115,082,401.34, 172,732,737.49 and 71,230,512.19 is: 106,913,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,082,401.34 : 172,732,737.49 = 71,230,512.19 : x
  2. Step 2: Convert to fraction form
    115,082,401.34/172,732,737.49 = 71,230,512.19/x
  3. Step 3: Cross multiply
    115,082,401.34x = 172,732,737.49 × 71,230,512.19
  4. Step 4: Simplify right side
    115,082,401.34x = 12,303,841,363,501,330
  5. Step 5: Solve for x
    x = 12,303,841,363,501,330/115,082,401.34
  6. Step 6: Final answer
    x = 106,913,317.94

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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.