Home / 55,196,713.86-76,171,968.90-30,417,789.78

Finding the Fourth Proportional to 55,196,713.86, 76,171,968.90 and 30,417,789.78

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Solution

The fourth proportional to 55,196,713.86, 76,171,968.90 and 30,417,789.78 is: 41,976,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,196,713.86 : 76,171,968.90 = 30,417,789.78 : x
  2. Step 2: Convert to fraction form
    55,196,713.86/76,171,968.90 = 30,417,789.78/x
  3. Step 3: Cross multiply
    55,196,713.86x = 76,171,968.90 × 30,417,789.78
  4. Step 4: Simplify right side
    55,196,713.86x = 2,316,982,937,128,898
  5. Step 5: Solve for x
    x = 2,316,982,937,128,898/55,196,713.86
  6. Step 6: Final answer
    x = 41,976,827.52

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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.