Home / 109,706,142.29-151,394,678.70-59,470,205.54

Finding the Fourth Proportional to 109,706,142.29, 151,394,678.70 and 59,470,205.54

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Solution

The fourth proportional to 109,706,142.29, 151,394,678.70 and 59,470,205.54 is: 82,068,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,706,142.29 : 151,394,678.70 = 59,470,205.54 : x
  2. Step 2: Convert to fraction form
    109,706,142.29/151,394,678.70 = 59,470,205.54/x
  3. Step 3: Cross multiply
    109,706,142.29x = 151,394,678.70 × 59,470,205.54
  4. Step 4: Simplify right side
    109,706,142.29x = 9,003,472,660,157,686
  5. Step 5: Solve for x
    x = 9,003,472,660,157,686/109,706,142.29
  6. Step 6: Final answer
    x = 82,068,993.33

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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.