Home / 65,154,786.98-89,880,348.21-41,608,572.98

Finding the Fourth Proportional to 65,154,786.98, 89,880,348.21 and 41,608,572.98

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Solution

The fourth proportional to 65,154,786.98, 89,880,348.21 and 41,608,572.98 is: 57,398,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,154,786.98 : 89,880,348.21 = 41,608,572.98 : x
  2. Step 2: Convert to fraction form
    65,154,786.98/89,880,348.21 = 41,608,572.98/x
  3. Step 3: Cross multiply
    65,154,786.98x = 89,880,348.21 × 41,608,572.98
  4. Step 4: Simplify right side
    65,154,786.98x = 3,739,793,027,963,597
  5. Step 5: Solve for x
    x = 3,739,793,027,963,597/65,154,786.98
  6. Step 6: Final answer
    x = 57,398,591.90

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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.