Home / 65,168,331.70-97,856,945.55-51,816,190.90

Finding the Fourth Proportional to 65,168,331.70, 97,856,945.55 and 51,816,190.90

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Solution

The fourth proportional to 65,168,331.70, 97,856,945.55 and 51,816,190.90 is: 77,807,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,168,331.70 : 97,856,945.55 = 51,816,190.90 : x
  2. Step 2: Convert to fraction form
    65,168,331.70/97,856,945.55 = 51,816,190.90/x
  3. Step 3: Cross multiply
    65,168,331.70x = 97,856,945.55 × 51,816,190.90
  4. Step 4: Simplify right side
    65,168,331.70x = 5,070,574,171,509,705
  5. Step 5: Solve for x
    x = 5,070,574,171,509,705/65,168,331.70
  6. Step 6: Final answer
    x = 77,807,334.32

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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.