Home / 71,954,132.76-99,250,989.93-47,175,926.04

Finding the Fourth Proportional to 71,954,132.76, 99,250,989.93 and 47,175,926.04

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Solution

The fourth proportional to 71,954,132.76, 99,250,989.93 and 47,175,926.04 is: 65,072,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,954,132.76 : 99,250,989.93 = 47,175,926.04 : x
  2. Step 2: Convert to fraction form
    71,954,132.76/99,250,989.93 = 47,175,926.04/x
  3. Step 3: Cross multiply
    71,954,132.76x = 99,250,989.93 × 47,175,926.04
  4. Step 4: Simplify right side
    71,954,132.76x = 4,682,257,360,334,465
  5. Step 5: Solve for x
    x = 4,682,257,360,334,465/71,954,132.76
  6. Step 6: Final answer
    x = 65,072,806.53

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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.