Home / 85,136,200.80-127,704,301.20-51,095,983.20

Finding the Fourth Proportional to 85,136,200.80, 127,704,301.20 and 51,095,983.20

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Solution

The fourth proportional to 85,136,200.80, 127,704,301.20 and 51,095,983.20 is: 76,643,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,136,200.80 : 127,704,301.20 = 51,095,983.20 : x
  2. Step 2: Convert to fraction form
    85,136,200.80/127,704,301.20 = 51,095,983.20/x
  3. Step 3: Cross multiply
    85,136,200.80x = 127,704,301.20 × 51,095,983.20
  4. Step 4: Simplify right side
    85,136,200.80x = 6,525,176,828,682,940
  5. Step 5: Solve for x
    x = 6,525,176,828,682,940/85,136,200.80
  6. Step 6: Final answer
    x = 76,643,974.80

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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.