Home / 265,934,015.43-398,583,660.28-123,772,304.53

Finding the Fourth Proportional to 265,934,015.43, 398,583,660.28 and 123,772,304.53

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Solution

The fourth proportional to 265,934,015.43, 398,583,660.28 and 123,772,304.53 is: 185,510,748.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,934,015.43 : 398,583,660.28 = 123,772,304.53 : x
  2. Step 2: Convert to fraction form
    265,934,015.43/398,583,660.28 = 123,772,304.53/x
  3. Step 3: Cross multiply
    265,934,015.43x = 398,583,660.28 × 123,772,304.53
  4. Step 4: Simplify right side
    265,934,015.43x = 49,333,618,180,858,224
  5. Step 5: Solve for x
    x = 49,333,618,180,858,224/265,934,015.43
  6. Step 6: Final answer
    x = 185,510,748.22

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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.