Home / 52,670,910.34-78,989,967.80-18,584,270.02

Finding the Fourth Proportional to 52,670,910.34, 78,989,967.80 and 18,584,270.02

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Solution

The fourth proportional to 52,670,910.34, 78,989,967.80 and 18,584,270.02 is: 27,870,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,670,910.34 : 78,989,967.80 = 18,584,270.02 : x
  2. Step 2: Convert to fraction form
    52,670,910.34/78,989,967.80 = 18,584,270.02/x
  3. Step 3: Cross multiply
    52,670,910.34x = 78,989,967.80 × 18,584,270.02
  4. Step 4: Simplify right side
    52,670,910.34x = 1,467,970,890,466,305.25
  5. Step 5: Solve for x
    x = 1,467,970,890,466,305.25/52,670,910.34
  6. Step 6: Final answer
    x = 27,870,619.30

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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.