Home / 69,769,312.48-96,281,652-38,836,789.60

Finding the Fourth Proportional to 69,769,312.48, 96,281,652 and 38,836,789.60

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Solution

The fourth proportional to 69,769,312.48, 96,281,652 and 38,836,789.60 is: 53,594,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,769,312.48 : 96,281,652 = 38,836,789.60 : x
  2. Step 2: Convert to fraction form
    69,769,312.48/96,281,652 = 38,836,789.60/x
  3. Step 3: Cross multiply
    69,769,312.48x = 96,281,652 × 38,836,789.60
  4. Step 4: Simplify right side
    69,769,312.48x = 3,739,270,261,064,419.50
  5. Step 5: Solve for x
    x = 3,739,270,261,064,419.50/69,769,312.48
  6. Step 6: Final answer
    x = 53,594,770.08

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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.