Home / 243,476,666.16-335,961,917.28-148,058,497.68

Finding the Fourth Proportional to 243,476,666.16, 335,961,917.28 and 148,058,497.68

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Solution

The fourth proportional to 243,476,666.16, 335,961,917.28 and 148,058,497.68 is: 204,298,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,476,666.16 : 335,961,917.28 = 148,058,497.68 : x
  2. Step 2: Convert to fraction form
    243,476,666.16/335,961,917.28 = 148,058,497.68/x
  3. Step 3: Cross multiply
    243,476,666.16x = 335,961,917.28 × 148,058,497.68
  4. Step 4: Simplify right side
    243,476,666.16x = 49,742,016,750,169,232
  5. Step 5: Solve for x
    x = 49,742,016,750,169,232/243,476,666.16
  6. Step 6: Final answer
    x = 204,298,906.89

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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.