Home / 275,078,057.02-412,529,545.32-90,811,223.85

Finding the Fourth Proportional to 275,078,057.02, 412,529,545.32 and 90,811,223.85

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Solution

The fourth proportional to 275,078,057.02, 412,529,545.32 and 90,811,223.85 is: 136,187,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,078,057.02 : 412,529,545.32 = 90,811,223.85 : x
  2. Step 2: Convert to fraction form
    275,078,057.02/412,529,545.32 = 90,811,223.85/x
  3. Step 3: Cross multiply
    275,078,057.02x = 412,529,545.32 × 90,811,223.85
  4. Step 4: Simplify right side
    275,078,057.02x = 37,462,312,884,793,240
  5. Step 5: Solve for x
    x = 37,462,312,884,793,240/275,078,057.02
  6. Step 6: Final answer
    x = 136,187,936.22

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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.