Home / 103,975,717.40-143,496,115.98-57,565,971.78

Finding the Fourth Proportional to 103,975,717.40, 143,496,115.98 and 57,565,971.78

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Solution

The fourth proportional to 103,975,717.40, 143,496,115.98 and 57,565,971.78 is: 79,446,370.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,975,717.40 : 143,496,115.98 = 57,565,971.78 : x
  2. Step 2: Convert to fraction form
    103,975,717.40/143,496,115.98 = 57,565,971.78/x
  3. Step 3: Cross multiply
    103,975,717.40x = 143,496,115.98 × 57,565,971.78
  4. Step 4: Simplify right side
    103,975,717.40x = 8,260,493,363,044,287
  5. Step 5: Solve for x
    x = 8,260,493,363,044,287/103,975,717.40
  6. Step 6: Final answer
    x = 79,446,370.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.