Home / 66,066,868.20-99,100,302.30-18,197,812.20

Finding the Fourth Proportional to 66,066,868.20, 99,100,302.30 and 18,197,812.20

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Solution

The fourth proportional to 66,066,868.20, 99,100,302.30 and 18,197,812.20 is: 27,296,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,066,868.20 : 99,100,302.30 = 18,197,812.20 : x
  2. Step 2: Convert to fraction form
    66,066,868.20/99,100,302.30 = 18,197,812.20/x
  3. Step 3: Cross multiply
    66,066,868.20x = 99,100,302.30 × 18,197,812.20
  4. Step 4: Simplify right side
    66,066,868.20x = 1,803,408,690,218,628
  5. Step 5: Solve for x
    x = 1,803,408,690,218,628/66,066,868.20
  6. Step 6: Final answer
    x = 27,296,718.30

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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.