Home / 72,591,585.89-100,175,127.14-39,552,106.55

Finding the Fourth Proportional to 72,591,585.89, 100,175,127.14 and 39,552,106.55

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Solution

The fourth proportional to 72,591,585.89, 100,175,127.14 and 39,552,106.55 is: 54,581,219.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,591,585.89 : 100,175,127.14 = 39,552,106.55 : x
  2. Step 2: Convert to fraction form
    72,591,585.89/100,175,127.14 = 39,552,106.55/x
  3. Step 3: Cross multiply
    72,591,585.89x = 100,175,127.14 × 39,552,106.55
  4. Step 4: Simplify right side
    72,591,585.89x = 3,962,137,302,103,316
  5. Step 5: Solve for x
    x = 3,962,137,302,103,316/72,591,585.89
  6. Step 6: Final answer
    x = 54,581,219.76

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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.