Home / 55,925,895.21-77,180,129.85-31,146,081.97

Finding the Fourth Proportional to 55,925,895.21, 77,180,129.85 and 31,146,081.97

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Solution

The fourth proportional to 55,925,895.21, 77,180,129.85 and 31,146,081.97 is: 42,982,926.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,925,895.21 : 77,180,129.85 = 31,146,081.97 : x
  2. Step 2: Convert to fraction form
    55,925,895.21/77,180,129.85 = 31,146,081.97/x
  3. Step 3: Cross multiply
    55,925,895.21x = 77,180,129.85 × 31,146,081.97
  4. Step 4: Simplify right side
    55,925,895.21x = 2,403,858,650,763,343.50
  5. Step 5: Solve for x
    x = 2,403,858,650,763,343.50/55,925,895.21
  6. Step 6: Final answer
    x = 42,982,926.63

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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.