Home / 211,565,768.40-317,238,544.44-75,231,337.68

Finding the Fourth Proportional to 211,565,768.40, 317,238,544.44 and 75,231,337.68

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Solution

The fourth proportional to 211,565,768.40, 317,238,544.44 and 75,231,337.68 is: 112,807,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,565,768.40 : 317,238,544.44 = 75,231,337.68 : x
  2. Step 2: Convert to fraction form
    211,565,768.40/317,238,544.44 = 75,231,337.68/x
  3. Step 3: Cross multiply
    211,565,768.40x = 317,238,544.44 × 75,231,337.68
  4. Step 4: Simplify right side
    211,565,768.40x = 23,866,280,061,877,328
  5. Step 5: Solve for x
    x = 23,866,280,061,877,328/211,565,768.40
  6. Step 6: Final answer
    x = 112,807,852.81

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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.