Home / 156,848,328.80-235,057,257.24-99,237,467.60

Finding the Fourth Proportional to 156,848,328.80, 235,057,257.24 and 99,237,467.60

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Solution

The fourth proportional to 156,848,328.80, 235,057,257.24 and 99,237,467.60 is: 148,720,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,848,328.80 : 235,057,257.24 = 99,237,467.60 : x
  2. Step 2: Convert to fraction form
    156,848,328.80/235,057,257.24 = 99,237,467.60/x
  3. Step 3: Cross multiply
    156,848,328.80x = 235,057,257.24 × 99,237,467.60
  4. Step 4: Simplify right side
    156,848,328.80x = 23,326,486,949,499,364
  5. Step 5: Solve for x
    x = 23,326,486,949,499,364/156,848,328.80
  6. Step 6: Final answer
    x = 148,720,022.25

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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.