Home / 272,787,913.64-409,440,561.98-168,842,694.92

Finding the Fourth Proportional to 272,787,913.64, 409,440,561.98 and 168,842,694.92

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Solution

The fourth proportional to 272,787,913.64, 409,440,561.98 and 168,842,694.92 is: 253,424,160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,787,913.64 : 409,440,561.98 = 168,842,694.92 : x
  2. Step 2: Convert to fraction form
    272,787,913.64/409,440,561.98 = 168,842,694.92/x
  3. Step 3: Cross multiply
    272,787,913.64x = 409,440,561.98 × 168,842,694.92
  4. Step 4: Simplify right side
    272,787,913.64x = 69,131,047,894,084,400
  5. Step 5: Solve for x
    x = 69,131,047,894,084,400/272,787,913.64
  6. Step 6: Final answer
    x = 253,424,160.08

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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.