Home / 78,339,886.81-108,110,167.30-43,060,957.97

Finding the Fourth Proportional to 78,339,886.81, 108,110,167.30 and 43,060,957.97

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Solution

The fourth proportional to 78,339,886.81, 108,110,167.30 and 43,060,957.97 is: 59,424,739.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,339,886.81 : 108,110,167.30 = 43,060,957.97 : x
  2. Step 2: Convert to fraction form
    78,339,886.81/108,110,167.30 = 43,060,957.97/x
  3. Step 3: Cross multiply
    78,339,886.81x = 108,110,167.30 × 43,060,957.97
  4. Step 4: Simplify right side
    78,339,886.81x = 4,655,327,370,234,968
  5. Step 5: Solve for x
    x = 4,655,327,370,234,968/78,339,886.81
  6. Step 6: Final answer
    x = 59,424,739.55

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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.