Home / 132,957,235.20-199,323,878.40-69,131,827.20

Finding the Fourth Proportional to 132,957,235.20, 199,323,878.40 and 69,131,827.20

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Solution

The fourth proportional to 132,957,235.20, 199,323,878.40 and 69,131,827.20 is: 103,639,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,957,235.20 : 199,323,878.40 = 69,131,827.20 : x
  2. Step 2: Convert to fraction form
    132,957,235.20/199,323,878.40 = 69,131,827.20/x
  3. Step 3: Cross multiply
    132,957,235.20x = 199,323,878.40 × 69,131,827.20
  4. Step 4: Simplify right side
    132,957,235.20x = 13,779,623,918,382,614
  5. Step 5: Solve for x
    x = 13,779,623,918,382,614/132,957,235.20
  6. Step 6: Final answer
    x = 103,639,519.11

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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.