Home / 157,268,660.40-236,009,278.80-55,033,583.76

Finding the Fourth Proportional to 157,268,660.40, 236,009,278.80 and 55,033,583.76

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Solution

The fourth proportional to 157,268,660.40, 236,009,278.80 and 55,033,583.76 is: 82,587,569.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,268,660.40 : 236,009,278.80 = 55,033,583.76 : x
  2. Step 2: Convert to fraction form
    157,268,660.40/236,009,278.80 = 55,033,583.76/x
  3. Step 3: Cross multiply
    157,268,660.40x = 236,009,278.80 × 55,033,583.76
  4. Step 4: Simplify right side
    157,268,660.40x = 12,988,436,412,976,992
  5. Step 5: Solve for x
    x = 12,988,436,412,976,992/157,268,660.40
  6. Step 6: Final answer
    x = 82,587,569.45

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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.