Home / 100,976,626.45-139,360,017.95-56,932,108.57

Finding the Fourth Proportional to 100,976,626.45, 139,360,017.95 and 56,932,108.57

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Solution

The fourth proportional to 100,976,626.45, 139,360,017.95 and 56,932,108.57 is: 78,573,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,976,626.45 : 139,360,017.95 = 56,932,108.57 : x
  2. Step 2: Convert to fraction form
    100,976,626.45/139,360,017.95 = 56,932,108.57/x
  3. Step 3: Cross multiply
    100,976,626.45x = 139,360,017.95 × 56,932,108.57
  4. Step 4: Simplify right side
    100,976,626.45x = 7,934,059,672,246,548
  5. Step 5: Solve for x
    x = 7,934,059,672,246,548/100,976,626.45
  6. Step 6: Final answer
    x = 78,573,229.78

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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.