Home / 206,781,954.64-285,354,182.28-112,699,072.24

Finding the Fourth Proportional to 206,781,954.64, 285,354,182.28 and 112,699,072.24

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Solution

The fourth proportional to 206,781,954.64, 285,354,182.28 and 112,699,072.24 is: 155,522,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,781,954.64 : 285,354,182.28 = 112,699,072.24 : x
  2. Step 2: Convert to fraction form
    206,781,954.64/285,354,182.28 = 112,699,072.24/x
  3. Step 3: Cross multiply
    206,781,954.64x = 285,354,182.28 × 112,699,072.24
  4. Step 4: Simplify right side
    206,781,954.64x = 32,159,151,602,759,844
  5. Step 5: Solve for x
    x = 32,159,151,602,759,844/206,781,954.64
  6. Step 6: Final answer
    x = 155,522,040.88

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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.