Home / 85,171,582.26-128,024,079.53-56,211,544.53

Finding the Fourth Proportional to 85,171,582.26, 128,024,079.53 and 56,211,544.53

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Solution

The fourth proportional to 85,171,582.26, 128,024,079.53 and 56,211,544.53 is: 84,493,337.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,171,582.26 : 128,024,079.53 = 56,211,544.53 : x
  2. Step 2: Convert to fraction form
    85,171,582.26/128,024,079.53 = 56,211,544.53/x
  3. Step 3: Cross multiply
    85,171,582.26x = 128,024,079.53 × 56,211,544.53
  4. Step 4: Simplify right side
    85,171,582.26x = 7,196,431,247,131,799
  5. Step 5: Solve for x
    x = 7,196,431,247,131,799/85,171,582.26
  6. Step 6: Final answer
    x = 84,493,337.52

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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.