Home / 200,552,113.92-276,695,760.13-121,137,502.02

Finding the Fourth Proportional to 200,552,113.92, 276,695,760.13 and 121,137,502.02

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Solution

The fourth proportional to 200,552,113.92, 276,695,760.13 and 121,137,502.02 is: 167,129,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,552,113.92 : 276,695,760.13 = 121,137,502.02 : x
  2. Step 2: Convert to fraction form
    200,552,113.92/276,695,760.13 = 121,137,502.02/x
  3. Step 3: Cross multiply
    200,552,113.92x = 276,695,760.13 × 121,137,502.02
  4. Step 4: Simplify right side
    200,552,113.92x = 33,518,233,201,673,308
  5. Step 5: Solve for x
    x = 33,518,233,201,673,308/200,552,113.92
  6. Step 6: Final answer
    x = 167,129,792.58

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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.