Home / 42,768,022.80-64,152,034.20-26,328,781.20

Finding the Fourth Proportional to 42,768,022.80, 64,152,034.20 and 26,328,781.20

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Solution

The fourth proportional to 42,768,022.80, 64,152,034.20 and 26,328,781.20 is: 39,493,171.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,022.80 : 64,152,034.20 = 26,328,781.20 : x
  2. Step 2: Convert to fraction form
    42,768,022.80/64,152,034.20 = 26,328,781.20/x
  3. Step 3: Cross multiply
    42,768,022.80x = 64,152,034.20 × 26,328,781.20
  4. Step 4: Simplify right side
    42,768,022.80x = 1,689,044,871,986,717
  5. Step 5: Solve for x
    x = 1,689,044,871,986,717/42,768,022.80
  6. Step 6: Final answer
    x = 39,493,171.80

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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.