Home / 56,599,806.99-78,107,264.12-31,820,104.29

Finding the Fourth Proportional to 56,599,806.99, 78,107,264.12 and 31,820,104.29

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Solution

The fourth proportional to 56,599,806.99, 78,107,264.12 and 31,820,104.29 is: 43,911,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,599,806.99 : 78,107,264.12 = 31,820,104.29 : x
  2. Step 2: Convert to fraction form
    56,599,806.99/78,107,264.12 = 31,820,104.29/x
  3. Step 3: Cross multiply
    56,599,806.99x = 78,107,264.12 × 31,820,104.29
  4. Step 4: Simplify right side
    56,599,806.99x = 2,485,381,290,522,039
  5. Step 5: Solve for x
    x = 2,485,381,290,522,039/56,599,806.99
  6. Step 6: Final answer
    x = 43,911,479.97

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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.