Home / 83,135,986.77-124,710,628.65-28,526,596.77

Finding the Fourth Proportional to 83,135,986.77, 124,710,628.65 and 28,526,596.77

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Solution

The fourth proportional to 83,135,986.77, 124,710,628.65 and 28,526,596.77 is: 42,792,176.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,135,986.77 : 124,710,628.65 = 28,526,596.77 : x
  2. Step 2: Convert to fraction form
    83,135,986.77/124,710,628.65 = 28,526,596.77/x
  3. Step 3: Cross multiply
    83,135,986.77x = 124,710,628.65 × 28,526,596.77
  4. Step 4: Simplify right side
    83,135,986.77x = 3,557,569,816,431,759.50
  5. Step 5: Solve for x
    x = 3,557,569,816,431,759.50/83,135,986.77
  6. Step 6: Final answer
    x = 42,792,176.46

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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.