Home / 152,632,172.12-210,613,279.68-103,180,143.56

Finding the Fourth Proportional to 152,632,172.12, 210,613,279.68 and 103,180,143.56

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Solution

The fourth proportional to 152,632,172.12, 210,613,279.68 and 103,180,143.56 is: 142,375,674.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,632,172.12 : 210,613,279.68 = 103,180,143.56 : x
  2. Step 2: Convert to fraction form
    152,632,172.12/210,613,279.68 = 103,180,143.56/x
  3. Step 3: Cross multiply
    152,632,172.12x = 210,613,279.68 × 103,180,143.56
  4. Step 4: Simplify right side
    152,632,172.12x = 21,731,108,433,024,832
  5. Step 5: Solve for x
    x = 21,731,108,433,024,832/152,632,172.12
  6. Step 6: Final answer
    x = 142,375,674.35

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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.