Home / 115,860,366.56-173,776,781.53-38,117,991.12

Finding the Fourth Proportional to 115,860,366.56, 173,776,781.53 and 38,117,991.12

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Solution

The fourth proportional to 115,860,366.56, 173,776,781.53 and 38,117,991.12 is: 57,172,456.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,860,366.56 : 173,776,781.53 = 38,117,991.12 : x
  2. Step 2: Convert to fraction form
    115,860,366.56/173,776,781.53 = 38,117,991.12/x
  3. Step 3: Cross multiply
    115,860,366.56x = 173,776,781.53 × 38,117,991.12
  4. Step 4: Simplify right side
    115,860,366.56x = 6,624,021,814,618,705
  5. Step 5: Solve for x
    x = 6,624,021,814,618,705/115,860,366.56
  6. Step 6: Final answer
    x = 57,172,456.91

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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.