Home / 172,519,812.48-237,672,748.08-120,213,943.68

Finding the Fourth Proportional to 172,519,812.48, 237,672,748.08 and 120,213,943.68

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Solution

The fourth proportional to 172,519,812.48, 237,672,748.08 and 120,213,943.68 is: 165,613,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,519,812.48 : 237,672,748.08 = 120,213,943.68 : x
  2. Step 2: Convert to fraction form
    172,519,812.48/237,672,748.08 = 120,213,943.68/x
  3. Step 3: Cross multiply
    172,519,812.48x = 237,672,748.08 × 120,213,943.68
  4. Step 4: Simplify right side
    172,519,812.48x = 28,571,578,351,959,952
  5. Step 5: Solve for x
    x = 28,571,578,351,959,952/172,519,812.48
  6. Step 6: Final answer
    x = 165,613,316.76

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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.