Home / 209,349,748.19-314,058,733.25-61,812,221.85

Finding the Fourth Proportional to 209,349,748.19, 314,058,733.25 and 61,812,221.85

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Solution

The fourth proportional to 209,349,748.19, 314,058,733.25 and 61,812,221.85 is: 92,728,404.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,349,748.19 : 314,058,733.25 = 61,812,221.85 : x
  2. Step 2: Convert to fraction form
    209,349,748.19/314,058,733.25 = 61,812,221.85/x
  3. Step 3: Cross multiply
    209,349,748.19x = 314,058,733.25 × 61,812,221.85
  4. Step 4: Simplify right side
    209,349,748.19x = 19,412,668,093,269,912
  5. Step 5: Solve for x
    x = 19,412,668,093,269,912/209,349,748.19
  6. Step 6: Final answer
    x = 92,728,404.31

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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.