Home / 125,314,020.52-187,970,772.40-70,701,814.80

Finding the Fourth Proportional to 125,314,020.52, 187,970,772.40 and 70,701,814.80

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Solution

The fourth proportional to 125,314,020.52, 187,970,772.40 and 70,701,814.80 is: 106,052,576.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,314,020.52 : 187,970,772.40 = 70,701,814.80 : x
  2. Step 2: Convert to fraction form
    125,314,020.52/187,970,772.40 = 70,701,814.80/x
  3. Step 3: Cross multiply
    125,314,020.52x = 187,970,772.40 × 70,701,814.80
  4. Step 4: Simplify right side
    125,314,020.52x = 13,289,874,738,037,752
  5. Step 5: Solve for x
    x = 13,289,874,738,037,752/125,314,020.52
  6. Step 6: Final answer
    x = 106,052,576.42

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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.