Home / 65,227,315.20-97,840,972.80-43,728,230.40

Finding the Fourth Proportional to 65,227,315.20, 97,840,972.80 and 43,728,230.40

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Solution

The fourth proportional to 65,227,315.20, 97,840,972.80 and 43,728,230.40 is: 65,592,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,227,315.20 : 97,840,972.80 = 43,728,230.40 : x
  2. Step 2: Convert to fraction form
    65,227,315.20/97,840,972.80 = 43,728,230.40/x
  3. Step 3: Cross multiply
    65,227,315.20x = 97,840,972.80 × 43,728,230.40
  4. Step 4: Simplify right side
    65,227,315.20x = 4,278,412,601,158,533
  5. Step 5: Solve for x
    x = 4,278,412,601,158,533/65,227,315.20
  6. Step 6: Final answer
    x = 65,592,345.60

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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.