Home / 55,467,055.28-83,132,436.80-31,154,876.12

Finding the Fourth Proportional to 55,467,055.28, 83,132,436.80 and 31,154,876.12

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Solution

The fourth proportional to 55,467,055.28, 83,132,436.80 and 31,154,876.12 is: 46,694,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,467,055.28 : 83,132,436.80 = 31,154,876.12 : x
  2. Step 2: Convert to fraction form
    55,467,055.28/83,132,436.80 = 31,154,876.12/x
  3. Step 3: Cross multiply
    55,467,055.28x = 83,132,436.80 × 31,154,876.12
  4. Step 4: Simplify right side
    55,467,055.28x = 2,589,980,769,719,954
  5. Step 5: Solve for x
    x = 2,589,980,769,719,954/55,467,055.28
  6. Step 6: Final answer
    x = 46,694,037.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.