Home / 133,872,249.51-200,802,975.28-68,291,948.63

Finding the Fourth Proportional to 133,872,249.51, 200,802,975.28 and 68,291,948.63

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Solution

The fourth proportional to 133,872,249.51, 200,802,975.28 and 68,291,948.63 is: 102,435,168.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,872,249.51 : 200,802,975.28 = 68,291,948.63 : x
  2. Step 2: Convert to fraction form
    133,872,249.51/200,802,975.28 = 68,291,948.63/x
  3. Step 3: Cross multiply
    133,872,249.51x = 200,802,975.28 × 68,291,948.63
  4. Step 4: Simplify right side
    133,872,249.51x = 13,713,226,471,774,680
  5. Step 5: Solve for x
    x = 13,713,226,471,774,680/133,872,249.51
  6. Step 6: Final answer
    x = 102,435,168.77

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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.