Home / 143,579,803.91-215,356,419.83-39,950,580.38

Finding the Fourth Proportional to 143,579,803.91, 215,356,419.83 and 39,950,580.38

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Solution

The fourth proportional to 143,579,803.91, 215,356,419.83 and 39,950,580.38 is: 59,922,173.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,579,803.91 : 215,356,419.83 = 39,950,580.38 : x
  2. Step 2: Convert to fraction form
    143,579,803.91/215,356,419.83 = 39,950,580.38/x
  3. Step 3: Cross multiply
    143,579,803.91x = 215,356,419.83 × 39,950,580.38
  4. Step 4: Simplify right side
    143,579,803.91x = 8,603,613,959,490,905
  5. Step 5: Solve for x
    x = 8,603,613,959,490,905/143,579,803.91
  6. Step 6: Final answer
    x = 59,922,173.77

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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.