Home / 121,807,906,725.87-182,637,391,351.28-58,084,742,557.40

Finding the Fourth Proportional to 121,807,906,725.87, 182,637,391,351.28 and 58,084,742,557.40

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Solution

The fourth proportional to 121,807,906,725.87, 182,637,391,351.28 and 58,084,742,557.40 is: 87,091,603,025.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,807,906,725.87 : 182,637,391,351.28 = 58,084,742,557.40 : x
  2. Step 2: Convert to fraction form
    121,807,906,725.87/182,637,391,351.28 = 58,084,742,557.40/x
  3. Step 3: Cross multiply
    121,807,906,725.87x = 182,637,391,351.28 × 58,084,742,557.40
  4. Step 4: Simplify right side
    121,807,906,725.87x = 10,608,445,857,993,297,231,872
  5. Step 5: Solve for x
    x = 10,608,445,857,993,297,231,872/121,807,906,725.87
  6. Step 6: Final answer
    x = 87,091,603,025.97

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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.