Home / 72,610,420,569.30-108,769,767,179.45-36,156,169,816.77

Finding the Fourth Proportional to 72,610,420,569.30, 108,769,767,179.45 and 36,156,169,816.77

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Solution

The fourth proportional to 72,610,420,569.30, 108,769,767,179.45 and 36,156,169,816.77 is: 54,161,622,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,610,420,569.30 : 108,769,767,179.45 = 36,156,169,816.77 : x
  2. Step 2: Convert to fraction form
    72,610,420,569.30/108,769,767,179.45 = 36,156,169,816.77/x
  3. Step 3: Cross multiply
    72,610,420,569.30x = 108,769,767,179.45 × 36,156,169,816.77
  4. Step 4: Simplify right side
    72,610,420,569.30x = 3,932,698,173,071,056,961,536
  5. Step 5: Solve for x
    x = 3,932,698,173,071,056,961,536/72,610,420,569.30
  6. Step 6: Final answer
    x = 54,161,622,288.33

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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.