Home / 56,685,948.80-85,028,923.20-45,348,540.80

Finding the Fourth Proportional to 56,685,948.80, 85,028,923.20 and 45,348,540.80

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Solution

The fourth proportional to 56,685,948.80, 85,028,923.20 and 45,348,540.80 is: 68,022,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685,948.80 : 85,028,923.20 = 45,348,540.80 : x
  2. Step 2: Convert to fraction form
    56,685,948.80/85,028,923.20 = 45,348,540.80/x
  3. Step 3: Cross multiply
    56,685,948.80x = 85,028,923.20 × 45,348,540.80
  4. Step 4: Simplify right side
    56,685,948.80x = 3,855,937,592,915,266.50
  5. Step 5: Solve for x
    x = 3,855,937,592,915,266.50/56,685,948.80
  6. Step 6: Final answer
    x = 68,022,811.20

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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.