Home / 121,367,548.80-182,114,308.80-53,217,129.60

Finding the Fourth Proportional to 121,367,548.80, 182,114,308.80 and 53,217,129.60

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Solution

The fourth proportional to 121,367,548.80, 182,114,308.80 and 53,217,129.60 is: 79,853,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,367,548.80 : 182,114,308.80 = 53,217,129.60 : x
  2. Step 2: Convert to fraction form
    121,367,548.80/182,114,308.80 = 53,217,129.60/x
  3. Step 3: Cross multiply
    121,367,548.80x = 182,114,308.80 × 53,217,129.60
  4. Step 4: Simplify right side
    121,367,548.80x = 9,691,600,773,424,022
  5. Step 5: Solve for x
    x = 9,691,600,773,424,022/121,367,548.80
  6. Step 6: Final answer
    x = 79,853,312.27

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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.