Home / 68,359,712.55-102,586,808.03-49,206,841.35

Finding the Fourth Proportional to 68,359,712.55, 102,586,808.03 and 49,206,841.35

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Solution

The fourth proportional to 68,359,712.55, 102,586,808.03 and 49,206,841.35 is: 73,844,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,359,712.55 : 102,586,808.03 = 49,206,841.35 : x
  2. Step 2: Convert to fraction form
    68,359,712.55/102,586,808.03 = 49,206,841.35/x
  3. Step 3: Cross multiply
    68,359,712.55x = 102,586,808.03 × 49,206,841.35
  4. Step 4: Simplify right side
    68,359,712.55x = 5,047,972,787,089,082
  5. Step 5: Solve for x
    x = 5,047,972,787,089,082/68,359,712.55
  6. Step 6: Final answer
    x = 73,844,265.85

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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.