Home / 82,787,243.78-114,241,248.77-45,615,443.88

Finding the Fourth Proportional to 82,787,243.78, 114,241,248.77 and 45,615,443.88

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Solution

The fourth proportional to 82,787,243.78, 114,241,248.77 and 45,615,443.88 is: 62,946,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,787,243.78 : 114,241,248.77 = 45,615,443.88 : x
  2. Step 2: Convert to fraction form
    82,787,243.78/114,241,248.77 = 45,615,443.88/x
  3. Step 3: Cross multiply
    82,787,243.78x = 114,241,248.77 × 45,615,443.88
  4. Step 4: Simplify right side
    82,787,243.78x = 5,211,165,272,049,054
  5. Step 5: Solve for x
    x = 5,211,165,272,049,054/82,787,243.78
  6. Step 6: Final answer
    x = 62,946,476.22

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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.