Home / 206,073,638.66-284,384,394.21-111,989,653.18

Finding the Fourth Proportional to 206,073,638.66, 284,384,394.21 and 111,989,653.18

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Solution

The fourth proportional to 206,073,638.66, 284,384,394.21 and 111,989,653.18 is: 154,547,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,073,638.66 : 284,384,394.21 = 111,989,653.18 : x
  2. Step 2: Convert to fraction form
    206,073,638.66/284,384,394.21 = 111,989,653.18/x
  3. Step 3: Cross multiply
    206,073,638.66x = 284,384,394.21 × 111,989,653.18
  4. Step 4: Simplify right side
    206,073,638.66x = 31,848,109,677,091,300
  5. Step 5: Solve for x
    x = 31,848,109,677,091,300/206,073,638.66
  6. Step 6: Final answer
    x = 154,547,228.28

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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.