Home / 91,788,354.30-137,682,531.45-31,204,080.30

Finding the Fourth Proportional to 91,788,354.30, 137,682,531.45 and 31,204,080.30

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Solution

The fourth proportional to 91,788,354.30, 137,682,531.45 and 31,204,080.30 is: 46,806,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,788,354.30 : 137,682,531.45 = 31,204,080.30 : x
  2. Step 2: Convert to fraction form
    91,788,354.30/137,682,531.45 = 31,204,080.30/x
  3. Step 3: Cross multiply
    91,788,354.30x = 137,682,531.45 × 31,204,080.30
  4. Step 4: Simplify right side
    91,788,354.30x = 4,296,256,767,273,075
  5. Step 5: Solve for x
    x = 4,296,256,767,273,075/91,788,354.30
  6. Step 6: Final answer
    x = 46,806,120.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.