Home / 85,263,219.80-127,747,863.30-39,731,629.40

Finding the Fourth Proportional to 85,263,219.80, 127,747,863.30 and 39,731,629.40

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Solution

The fourth proportional to 85,263,219.80, 127,747,863.30 and 39,731,629.40 is: 59,528,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,263,219.80 : 127,747,863.30 = 39,731,629.40 : x
  2. Step 2: Convert to fraction form
    85,263,219.80/127,747,863.30 = 39,731,629.40/x
  3. Step 3: Cross multiply
    85,263,219.80x = 127,747,863.30 × 39,731,629.40
  4. Step 4: Simplify right side
    85,263,219.80x = 5,075,630,761,277,461
  5. Step 5: Solve for x
    x = 5,075,630,761,277,461/85,263,219.80
  6. Step 6: Final answer
    x = 59,528,959.53

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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.