Home / 55,658,412.65-76,799,947.50-31,815,699.45

Finding the Fourth Proportional to 55,658,412.65, 76,799,947.50 and 31,815,699.45

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Solution

The fourth proportional to 55,658,412.65, 76,799,947.50 and 31,815,699.45 is: 43,900,713.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,658,412.65 : 76,799,947.50 = 31,815,699.45 : x
  2. Step 2: Convert to fraction form
    55,658,412.65/76,799,947.50 = 31,815,699.45/x
  3. Step 3: Cross multiply
    55,658,412.65x = 76,799,947.50 × 31,815,699.45
  4. Step 4: Simplify right side
    55,658,412.65x = 2,443,444,047,435,779
  5. Step 5: Solve for x
    x = 2,443,444,047,435,779/55,658,412.65
  6. Step 6: Final answer
    x = 43,900,713.86

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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.