Home / 111,841,282.20-154,261,465.32-74,652,812.49

Finding the Fourth Proportional to 111,841,282.20, 154,261,465.32 and 74,652,812.49

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Solution

The fourth proportional to 111,841,282.20, 154,261,465.32 and 74,652,812.49 is: 102,967,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,841,282.20 : 154,261,465.32 = 74,652,812.49 : x
  2. Step 2: Convert to fraction form
    111,841,282.20/154,261,465.32 = 74,652,812.49/x
  3. Step 3: Cross multiply
    111,841,282.20x = 154,261,465.32 × 74,652,812.49
  4. Step 4: Simplify right side
    111,841,282.20x = 11,516,052,244,966,596
  5. Step 5: Solve for x
    x = 11,516,052,244,966,596/111,841,282.20
  6. Step 6: Final answer
    x = 102,967,813.12

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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.