Home / 221,273,710.96-331,746,938.13-133,815,784.53

Finding the Fourth Proportional to 221,273,710.96, 331,746,938.13 and 133,815,784.53

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Solution

The fourth proportional to 221,273,710.96, 331,746,938.13 and 133,815,784.53 is: 200,624,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,273,710.96 : 331,746,938.13 = 133,815,784.53 : x
  2. Step 2: Convert to fraction form
    221,273,710.96/331,746,938.13 = 133,815,784.53/x
  3. Step 3: Cross multiply
    221,273,710.96x = 331,746,938.13 × 133,815,784.53
  4. Step 4: Simplify right side
    221,273,710.96x = 44,392,976,791,291,320
  5. Step 5: Solve for x
    x = 44,392,976,791,291,320/221,273,710.96
  6. Step 6: Final answer
    x = 200,624,722.20

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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.