Home / 65,419,686.40-98,129,529.60-52,665,102.40

Finding the Fourth Proportional to 65,419,686.40, 98,129,529.60 and 52,665,102.40

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Solution

The fourth proportional to 65,419,686.40, 98,129,529.60 and 52,665,102.40 is: 78,997,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,419,686.40 : 98,129,529.60 = 52,665,102.40 : x
  2. Step 2: Convert to fraction form
    65,419,686.40/98,129,529.60 = 52,665,102.40/x
  3. Step 3: Cross multiply
    65,419,686.40x = 98,129,529.60 × 52,665,102.40
  4. Step 4: Simplify right side
    65,419,686.40x = 5,168,001,724,847,831
  5. Step 5: Solve for x
    x = 5,168,001,724,847,831/65,419,686.40
  6. Step 6: Final answer
    x = 78,997,653.60

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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.