Home / 73,872,002.30-110,808,003.45-72,864,232.70

Finding the Fourth Proportional to 73,872,002.30, 110,808,003.45 and 72,864,232.70

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Solution

The fourth proportional to 73,872,002.30, 110,808,003.45 and 72,864,232.70 is: 109,296,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,872,002.30 : 110,808,003.45 = 72,864,232.70 : x
  2. Step 2: Convert to fraction form
    73,872,002.30/110,808,003.45 = 72,864,232.70/x
  3. Step 3: Cross multiply
    73,872,002.30x = 110,808,003.45 × 72,864,232.70
  4. Step 4: Simplify right side
    73,872,002.30x = 8,073,940,148,403,203
  5. Step 5: Solve for x
    x = 8,073,940,148,403,203/73,872,002.30
  6. Step 6: Final answer
    x = 109,296,349.05

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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.