Home / 64,463,415.20-96,667,129.20-21,315,946.40

Finding the Fourth Proportional to 64,463,415.20, 96,667,129.20 and 21,315,946.40

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Solution

The fourth proportional to 64,463,415.20, 96,667,129.20 and 21,315,946.40 is: 31,964,663.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,463,415.20 : 96,667,129.20 = 21,315,946.40 : x
  2. Step 2: Convert to fraction form
    64,463,415.20/96,667,129.20 = 21,315,946.40/x
  3. Step 3: Cross multiply
    64,463,415.20x = 96,667,129.20 × 21,315,946.40
  4. Step 4: Simplify right side
    64,463,415.20x = 2,060,551,344,669,074.75
  5. Step 5: Solve for x
    x = 2,060,551,344,669,074.75/64,463,415.20
  6. Step 6: Final answer
    x = 31,964,663.03

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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.