Home / 100,976,623.20-139,360,013.46-56,932,105.32

Finding the Fourth Proportional to 100,976,623.20, 139,360,013.46 and 56,932,105.32

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Solution

The fourth proportional to 100,976,623.20, 139,360,013.46 and 56,932,105.32 is: 78,573,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,976,623.20 : 139,360,013.46 = 56,932,105.32 : x
  2. Step 2: Convert to fraction form
    100,976,623.20/139,360,013.46 = 56,932,105.32/x
  3. Step 3: Cross multiply
    100,976,623.20x = 139,360,013.46 × 56,932,105.32
  4. Step 4: Simplify right side
    100,976,623.20x = 7,934,058,963,701,338
  5. Step 5: Solve for x
    x = 7,934,058,963,701,338/100,976,623.20
  6. Step 6: Final answer
    x = 78,573,225.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.