Home / 55,511,389.95-76,613,731.04-31,985,420.91

Finding the Fourth Proportional to 55,511,389.95, 76,613,731.04 and 31,985,420.91

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Solution

The fourth proportional to 55,511,389.95, 76,613,731.04 and 31,985,420.91 is: 44,144,497.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,511,389.95 : 76,613,731.04 = 31,985,420.91 : x
  2. Step 2: Convert to fraction form
    55,511,389.95/76,613,731.04 = 31,985,420.91/x
  3. Step 3: Cross multiply
    55,511,389.95x = 76,613,731.04 × 31,985,420.91
  4. Step 4: Simplify right side
    55,511,389.95x = 2,450,522,434,640,005
  5. Step 5: Solve for x
    x = 2,450,522,434,640,005/55,511,389.95
  6. Step 6: Final answer
    x = 44,144,497.86

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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.