Home / 160,243,874.64-221,136,546.96-86,905,016.64

Finding the Fourth Proportional to 160,243,874.64, 221,136,546.96 and 86,905,016.64

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Solution

The fourth proportional to 160,243,874.64, 221,136,546.96 and 86,905,016.64 is: 119,928,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,243,874.64 : 221,136,546.96 = 86,905,016.64 : x
  2. Step 2: Convert to fraction form
    160,243,874.64/221,136,546.96 = 86,905,016.64/x
  3. Step 3: Cross multiply
    160,243,874.64x = 221,136,546.96 × 86,905,016.64
  4. Step 4: Simplify right side
    160,243,874.64x = 19,217,875,293,270,944
  5. Step 5: Solve for x
    x = 19,217,875,293,270,944/160,243,874.64
  6. Step 6: Final answer
    x = 119,928,922.94

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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.