Home / 87,657,160.77-120,937,506.64-50,486,696.75

Finding the Fourth Proportional to 87,657,160.77, 120,937,506.64 and 50,486,696.75

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Solution

The fourth proportional to 87,657,160.77, 120,937,506.64 and 50,486,696.75 is: 69,654,722.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,657,160.77 : 120,937,506.64 = 50,486,696.75 : x
  2. Step 2: Convert to fraction form
    87,657,160.77/120,937,506.64 = 50,486,696.75/x
  3. Step 3: Cross multiply
    87,657,160.77x = 120,937,506.64 × 50,486,696.75
  4. Step 4: Simplify right side
    87,657,160.77x = 6,105,735,223,610,918
  5. Step 5: Solve for x
    x = 6,105,735,223,610,918/87,657,160.77
  6. Step 6: Final answer
    x = 69,654,722.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.