Home / 121,562,910.35-167,756,868.10-65,808,329.23

Finding the Fourth Proportional to 121,562,910.35, 167,756,868.10 and 65,808,329.23

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Solution

The fourth proportional to 121,562,910.35, 167,756,868.10 and 65,808,329.23 is: 90,815,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,562,910.35 : 167,756,868.10 = 65,808,329.23 : x
  2. Step 2: Convert to fraction form
    121,562,910.35/167,756,868.10 = 65,808,329.23/x
  3. Step 3: Cross multiply
    121,562,910.35x = 167,756,868.10 × 65,808,329.23
  4. Step 4: Simplify right side
    121,562,910.35x = 11,039,799,206,912,834
  5. Step 5: Solve for x
    x = 11,039,799,206,912,834/121,562,910.35
  6. Step 6: Final answer
    x = 90,815,522.39

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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.