Home / 189,967,851.10-262,156,605.06-107,459,864.38

Finding the Fourth Proportional to 189,967,851.10, 262,156,605.06 and 107,459,864.38

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Solution

The fourth proportional to 189,967,851.10, 262,156,605.06 and 107,459,864.38 is: 148,295,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,967,851.10 : 262,156,605.06 = 107,459,864.38 : x
  2. Step 2: Convert to fraction form
    189,967,851.10/262,156,605.06 = 107,459,864.38/x
  3. Step 3: Cross multiply
    189,967,851.10x = 262,156,605.06 × 107,459,864.38
  4. Step 4: Simplify right side
    189,967,851.10x = 28,171,313,226,068,820
  5. Step 5: Solve for x
    x = 28,171,313,226,068,820/189,967,851.10
  6. Step 6: Final answer
    x = 148,295,161.85

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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.