Home / 121,294,867.80-182,005,287.30-53,144,448.60

Finding the Fourth Proportional to 121,294,867.80, 182,005,287.30 and 53,144,448.60

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Solution

The fourth proportional to 121,294,867.80, 182,005,287.30 and 53,144,448.60 is: 79,744,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,294,867.80 : 182,005,287.30 = 53,144,448.60 : x
  2. Step 2: Convert to fraction form
    121,294,867.80/182,005,287.30 = 53,144,448.60/x
  3. Step 3: Cross multiply
    121,294,867.80x = 182,005,287.30 × 53,144,448.60
  4. Step 4: Simplify right side
    121,294,867.80x = 9,672,570,635,843,084
  5. Step 5: Solve for x
    x = 9,672,570,635,843,084/121,294,867.80
  6. Step 6: Final answer
    x = 79,744,269.57

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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.