Home / 50,910,312.78-70,258,545.15-30,003,227.82

Finding the Fourth Proportional to 50,910,312.78, 70,258,545.15 and 30,003,227.82

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Solution

The fourth proportional to 50,910,312.78, 70,258,545.15 and 30,003,227.82 is: 41,405,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,910,312.78 : 70,258,545.15 = 30,003,227.82 : x
  2. Step 2: Convert to fraction form
    50,910,312.78/70,258,545.15 = 30,003,227.82/x
  3. Step 3: Cross multiply
    50,910,312.78x = 70,258,545.15 × 30,003,227.82
  4. Step 4: Simplify right side
    50,910,312.78x = 2,107,983,136,437,206.25
  5. Step 5: Solve for x
    x = 2,107,983,136,437,206.25/50,910,312.78
  6. Step 6: Final answer
    x = 41,405,817.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.