Home / 215,460,061.20-323,190,091.80-212,058,838.80

Finding the Fourth Proportional to 215,460,061.20, 323,190,091.80 and 212,058,838.80

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Solution

The fourth proportional to 215,460,061.20, 323,190,091.80 and 212,058,838.80 is: 318,088,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,460,061.20 : 323,190,091.80 = 212,058,838.80 : x
  2. Step 2: Convert to fraction form
    215,460,061.20/323,190,091.80 = 212,058,838.80/x
  3. Step 3: Cross multiply
    215,460,061.20x = 323,190,091.80 × 212,058,838.80
  4. Step 4: Simplify right side
    215,460,061.20x = 68,535,315,578,773,408
  5. Step 5: Solve for x
    x = 68,535,315,578,773,408/215,460,061.20
  6. Step 6: Final answer
    x = 318,088,258.20

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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.