Home / 161,703,477.90-242,555,216.85-123,439,725.90

Finding the Fourth Proportional to 161,703,477.90, 242,555,216.85 and 123,439,725.90

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Solution

The fourth proportional to 161,703,477.90, 242,555,216.85 and 123,439,725.90 is: 185,159,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,703,477.90 : 242,555,216.85 = 123,439,725.90 : x
  2. Step 2: Convert to fraction form
    161,703,477.90/242,555,216.85 = 123,439,725.90/x
  3. Step 3: Cross multiply
    161,703,477.90x = 242,555,216.85 × 123,439,725.90
  4. Step 4: Simplify right side
    161,703,477.90x = 29,940,949,483,579,064
  5. Step 5: Solve for x
    x = 29,940,949,483,579,064/161,703,477.90
  6. Step 6: Final answer
    x = 185,159,588.85

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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.