Home / 52,180,573.14-78,267,981.06-21,467,379.87

Finding the Fourth Proportional to 52,180,573.14, 78,267,981.06 and 21,467,379.87

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Solution

The fourth proportional to 52,180,573.14, 78,267,981.06 and 21,467,379.87 is: 32,199,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,180,573.14 : 78,267,981.06 = 21,467,379.87 : x
  2. Step 2: Convert to fraction form
    52,180,573.14/78,267,981.06 = 21,467,379.87/x
  3. Step 3: Cross multiply
    52,180,573.14x = 78,267,981.06 × 21,467,379.87
  4. Step 4: Simplify right side
    52,180,573.14x = 1,680,208,481,072,985.50
  5. Step 5: Solve for x
    x = 1,680,208,481,072,985.50/52,180,573.14
  6. Step 6: Final answer
    x = 32,199,885.51

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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.