Home / 81,790,960.12-112,871,841.86-44,622,075

Finding the Fourth Proportional to 81,790,960.12, 112,871,841.86 and 44,622,075

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Solution

The fourth proportional to 81,790,960.12, 112,871,841.86 and 44,622,075 is: 61,578,636.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,790,960.12 : 112,871,841.86 = 44,622,075 : x
  2. Step 2: Convert to fraction form
    81,790,960.12/112,871,841.86 = 44,622,075/x
  3. Step 3: Cross multiply
    81,790,960.12x = 112,871,841.86 × 44,622,075
  4. Step 4: Simplify right side
    81,790,960.12x = 5,036,575,792,865,059
  5. Step 5: Solve for x
    x = 5,036,575,792,865,059/81,790,960.12
  6. Step 6: Final answer
    x = 61,578,636.39

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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.