Home / 128,340,908.45-192,497,715.44-36,222,368.93

Finding the Fourth Proportional to 128,340,908.45, 192,497,715.44 and 36,222,368.93

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Solution

The fourth proportional to 128,340,908.45, 192,497,715.44 and 36,222,368.93 is: 54,329,701.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,340,908.45 : 192,497,715.44 = 36,222,368.93 : x
  2. Step 2: Convert to fraction form
    128,340,908.45/192,497,715.44 = 36,222,368.93/x
  3. Step 3: Cross multiply
    128,340,908.45x = 192,497,715.44 × 36,222,368.93
  4. Step 4: Simplify right side
    128,340,908.45x = 6,972,723,267,240,525
  5. Step 5: Solve for x
    x = 6,972,723,267,240,525/128,340,908.45
  6. Step 6: Final answer
    x = 54,329,701.66

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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.