Home / 124,828,757.60-187,243,136.40-76,455,816.80

Finding the Fourth Proportional to 124,828,757.60, 187,243,136.40 and 76,455,816.80

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Solution

The fourth proportional to 124,828,757.60, 187,243,136.40 and 76,455,816.80 is: 114,683,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,828,757.60 : 187,243,136.40 = 76,455,816.80 : x
  2. Step 2: Convert to fraction form
    124,828,757.60/187,243,136.40 = 76,455,816.80/x
  3. Step 3: Cross multiply
    124,828,757.60x = 187,243,136.40 × 76,455,816.80
  4. Step 4: Simplify right side
    124,828,757.60x = 14,315,826,933,655,812
  5. Step 5: Solve for x
    x = 14,315,826,933,655,812/124,828,757.60
  6. Step 6: Final answer
    x = 114,683,725.20

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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.