Home / 122,493,660.70-183,740,491.05-105,865,462.30

Finding the Fourth Proportional to 122,493,660.70, 183,740,491.05 and 105,865,462.30

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Solution

The fourth proportional to 122,493,660.70, 183,740,491.05 and 105,865,462.30 is: 158,798,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,493,660.70 : 183,740,491.05 = 105,865,462.30 : x
  2. Step 2: Convert to fraction form
    122,493,660.70/183,740,491.05 = 105,865,462.30/x
  3. Step 3: Cross multiply
    122,493,660.70x = 183,740,491.05 × 105,865,462.30
  4. Step 4: Simplify right side
    122,493,660.70x = 19,451,772,028,237,264
  5. Step 5: Solve for x
    x = 19,451,772,028,237,264/122,493,660.70
  6. Step 6: Final answer
    x = 158,798,193.45

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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.