Home / 124,765,355.20-187,148,032.80-105,057,860.80

Finding the Fourth Proportional to 124,765,355.20, 187,148,032.80 and 105,057,860.80

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Solution

The fourth proportional to 124,765,355.20, 187,148,032.80 and 105,057,860.80 is: 157,586,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,765,355.20 : 187,148,032.80 = 105,057,860.80 : x
  2. Step 2: Convert to fraction form
    124,765,355.20/187,148,032.80 = 105,057,860.80/x
  3. Step 3: Cross multiply
    124,765,355.20x = 187,148,032.80 × 105,057,860.80
  4. Step 4: Simplify right side
    124,765,355.20x = 19,661,371,978,896,236
  5. Step 5: Solve for x
    x = 19,661,371,978,896,236/124,765,355.20
  6. Step 6: Final answer
    x = 157,586,791.20

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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.