Home / 45,317,738.03-67,976,545.47-21,043,391.21

Finding the Fourth Proportional to 45,317,738.03, 67,976,545.47 and 21,043,391.21

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Solution

The fourth proportional to 45,317,738.03, 67,976,545.47 and 21,043,391.21 is: 31,565,058.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,317,738.03 : 67,976,545.47 = 21,043,391.21 : x
  2. Step 2: Convert to fraction form
    45,317,738.03/67,976,545.47 = 21,043,391.21/x
  3. Step 3: Cross multiply
    45,317,738.03x = 67,976,545.47 × 21,043,391.21
  4. Step 4: Simplify right side
    45,317,738.03x = 1,430,457,039,429,563.25
  5. Step 5: Solve for x
    x = 1,430,457,039,429,563.25/45,317,738.03
  6. Step 6: Final answer
    x = 31,565,058.22

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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.