Home / 206,392,842.05-284,818,517.93-112,303,814.90

Finding the Fourth Proportional to 206,392,842.05, 284,818,517.93 and 112,303,814.90

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Solution

The fourth proportional to 206,392,842.05, 284,818,517.93 and 112,303,814.90 is: 154,977,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,392,842.05 : 284,818,517.93 = 112,303,814.90 : x
  2. Step 2: Convert to fraction form
    206,392,842.05/284,818,517.93 = 112,303,814.90/x
  3. Step 3: Cross multiply
    206,392,842.05x = 284,818,517.93 × 112,303,814.90
  4. Step 4: Simplify right side
    206,392,842.05x = 31,986,206,116,559,716
  5. Step 5: Solve for x
    x = 31,986,206,116,559,716/206,392,842.05
  6. Step 6: Final answer
    x = 154,977,303.47

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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.