Home / 91,576,840.80-126,348,482.16-54,894,027.36

Finding the Fourth Proportional to 91,576,840.80, 126,348,482.16 and 54,894,027.36

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Solution

The fourth proportional to 91,576,840.80, 126,348,482.16 and 54,894,027.36 is: 75,737,238.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,576,840.80 : 126,348,482.16 = 54,894,027.36 : x
  2. Step 2: Convert to fraction form
    91,576,840.80/126,348,482.16 = 54,894,027.36/x
  3. Step 3: Cross multiply
    91,576,840.80x = 126,348,482.16 × 54,894,027.36
  4. Step 4: Simplify right side
    91,576,840.80x = 6,935,777,036,585,512
  5. Step 5: Solve for x
    x = 6,935,777,036,585,512/91,576,840.80
  6. Step 6: Final answer
    x = 75,737,238.54

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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.