Home / 65,179,760.40-97,769,640.60-54,657,228.60

Finding the Fourth Proportional to 65,179,760.40, 97,769,640.60 and 54,657,228.60

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Solution

The fourth proportional to 65,179,760.40, 97,769,640.60 and 54,657,228.60 is: 81,985,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,179,760.40 : 97,769,640.60 = 54,657,228.60 : x
  2. Step 2: Convert to fraction form
    65,179,760.40/97,769,640.60 = 54,657,228.60/x
  3. Step 3: Cross multiply
    65,179,760.40x = 97,769,640.60 × 54,657,228.60
  4. Step 4: Simplify right side
    65,179,760.40x = 5,343,817,596,414,041
  5. Step 5: Solve for x
    x = 5,343,817,596,414,041/65,179,760.40
  6. Step 6: Final answer
    x = 81,985,842.90

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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.