Home / 91,397,654.69-126,128,763.49-52,240,272.20

Finding the Fourth Proportional to 91,397,654.69, 126,128,763.49 and 52,240,272.20

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Solution

The fourth proportional to 91,397,654.69, 126,128,763.49 and 52,240,272.20 is: 72,091,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,397,654.69 : 126,128,763.49 = 52,240,272.20 : x
  2. Step 2: Convert to fraction form
    91,397,654.69/126,128,763.49 = 52,240,272.20/x
  3. Step 3: Cross multiply
    91,397,654.69x = 126,128,763.49 × 52,240,272.20
  4. Step 4: Simplify right side
    91,397,654.69x = 6,589,000,936,075,177
  5. Step 5: Solve for x
    x = 6,589,000,936,075,177/91,397,654.69
  6. Step 6: Final answer
    x = 72,091,575.64

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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.