Home / 65,418,309.96-90,277,864.80-36,050,696.22

Finding the Fourth Proportional to 65,418,309.96, 90,277,864.80 and 36,050,696.22

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Solution

The fourth proportional to 65,418,309.96, 90,277,864.80 and 36,050,696.22 is: 49,750,289.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,418,309.96 : 90,277,864.80 = 36,050,696.22 : x
  2. Step 2: Convert to fraction form
    65,418,309.96/90,277,864.80 = 36,050,696.22/x
  3. Step 3: Cross multiply
    65,418,309.96x = 90,277,864.80 × 36,050,696.22
  4. Step 4: Simplify right side
    65,418,309.96x = 3,254,579,879,498,383
  5. Step 5: Solve for x
    x = 3,254,579,879,498,383/65,418,309.96
  6. Step 6: Final answer
    x = 49,750,289.81

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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.