Home / 80,154,599.44-110,613,386.28-43,485,160.72

Finding the Fourth Proportional to 80,154,599.44, 110,613,386.28 and 43,485,160.72

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Solution

The fourth proportional to 80,154,599.44, 110,613,386.28 and 43,485,160.72 is: 60,009,542.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,154,599.44 : 110,613,386.28 = 43,485,160.72 : x
  2. Step 2: Convert to fraction form
    80,154,599.44/110,613,386.28 = 43,485,160.72/x
  3. Step 3: Cross multiply
    80,154,599.44x = 110,613,386.28 × 43,485,160.72
  4. Step 4: Simplify right side
    80,154,599.44x = 4,810,040,880,169,243
  5. Step 5: Solve for x
    x = 4,810,040,880,169,243/80,154,599.44
  6. Step 6: Final answer
    x = 60,009,542.98

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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.