Home / 45,228,545.17-67,843,223.26-12,880,431.34

Finding the Fourth Proportional to 45,228,545.17, 67,843,223.26 and 12,880,431.34

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Solution

The fourth proportional to 45,228,545.17, 67,843,223.26 and 12,880,431.34 is: 19,320,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,228,545.17 : 67,843,223.26 = 12,880,431.34 : x
  2. Step 2: Convert to fraction form
    45,228,545.17/67,843,223.26 = 12,880,431.34/x
  3. Step 3: Cross multiply
    45,228,545.17x = 67,843,223.26 × 12,880,431.34
  4. Step 4: Simplify right side
    45,228,545.17x = 873,849,978,882,911.75
  5. Step 5: Solve for x
    x = 873,849,978,882,911.75/45,228,545.17
  6. Step 6: Final answer
    x = 19,320,762.49

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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.