Home / 67,787,020-93,591,132.60-52,078,066.84

Finding the Fourth Proportional to 67,787,020, 93,591,132.60 and 52,078,066.84

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Solution

The fourth proportional to 67,787,020, 93,591,132.60 and 52,078,066.84 is: 71,902,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,787,020 : 93,591,132.60 = 52,078,066.84 : x
  2. Step 2: Convert to fraction form
    67,787,020/93,591,132.60 = 52,078,066.84/x
  3. Step 3: Cross multiply
    67,787,020x = 93,591,132.60 × 52,078,066.84
  4. Step 4: Simplify right side
    67,787,020x = 4,874,045,259,174,103
  5. Step 5: Solve for x
    x = 4,874,045,259,174,103/67,787,020
  6. Step 6: Final answer
    x = 71,902,338.52

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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.