Home / 402,159,960.39-603,239,049.31-107,055,147.09

Finding the Fourth Proportional to 402,159,960.39, 603,239,049.31 and 107,055,147.09

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Solution

The fourth proportional to 402,159,960.39, 603,239,049.31 and 107,055,147.09 is: 160,582,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,159,960.39 : 603,239,049.31 = 107,055,147.09 : x
  2. Step 2: Convert to fraction form
    402,159,960.39/603,239,049.31 = 107,055,147.09/x
  3. Step 3: Cross multiply
    402,159,960.39x = 603,239,049.31 × 107,055,147.09
  4. Step 4: Simplify right side
    402,159,960.39x = 64,579,845,154,046,176
  5. Step 5: Solve for x
    x = 64,579,845,154,046,176/402,159,960.39
  6. Step 6: Final answer
    x = 160,582,483.38

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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.