Home / 74,935,412.80-112,328,469.60-34,475,329.60

Finding the Fourth Proportional to 74,935,412.80, 112,328,469.60 and 34,475,329.60

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Solution

The fourth proportional to 74,935,412.80, 112,328,469.60 and 34,475,329.60 is: 51,678,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,935,412.80 : 112,328,469.60 = 34,475,329.60 : x
  2. Step 2: Convert to fraction form
    74,935,412.80/112,328,469.60 = 34,475,329.60/x
  3. Step 3: Cross multiply
    74,935,412.80x = 112,328,469.60 × 34,475,329.60
  4. Step 4: Simplify right side
    74,935,412.80x = 3,872,561,012,923,580
  5. Step 5: Solve for x
    x = 3,872,561,012,923,580/74,935,412.80
  6. Step 6: Final answer
    x = 51,678,650.56

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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.