Home / 53,642,675.80-80,464,013.70-38,638,106.20

Finding the Fourth Proportional to 53,642,675.80, 80,464,013.70 and 38,638,106.20

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Solution

The fourth proportional to 53,642,675.80, 80,464,013.70 and 38,638,106.20 is: 57,957,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,642,675.80 : 80,464,013.70 = 38,638,106.20 : x
  2. Step 2: Convert to fraction form
    53,642,675.80/80,464,013.70 = 38,638,106.20/x
  3. Step 3: Cross multiply
    53,642,675.80x = 80,464,013.70 × 38,638,106.20
  4. Step 4: Simplify right side
    53,642,675.80x = 3,108,977,106,618,855.50
  5. Step 5: Solve for x
    x = 3,108,977,106,618,855.50/53,642,675.80
  6. Step 6: Final answer
    x = 57,957,159.30

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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.