Home / 83,560,513.89-115,311,262.93-50,088,899.63

Finding the Fourth Proportional to 83,560,513.89, 115,311,262.93 and 50,088,899.63

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Solution

The fourth proportional to 83,560,513.89, 115,311,262.93 and 50,088,899.63 is: 69,121,335.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,560,513.89 : 115,311,262.93 = 50,088,899.63 : x
  2. Step 2: Convert to fraction form
    83,560,513.89/115,311,262.93 = 50,088,899.63/x
  3. Step 3: Cross multiply
    83,560,513.89x = 115,311,262.93 × 50,088,899.63
  4. Step 4: Simplify right side
    83,560,513.89x = 5,775,814,275,272,365
  5. Step 5: Solve for x
    x = 5,775,814,275,272,365/83,560,513.89
  6. Step 6: Final answer
    x = 69,121,335.02

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1.5x scale

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.