Home / 65,882,030.37-90,917,208.45-36,515,256.81

Finding the Fourth Proportional to 65,882,030.37, 90,917,208.45 and 36,515,256.81

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Solution

The fourth proportional to 65,882,030.37, 90,917,208.45 and 36,515,256.81 is: 50,391,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,882,030.37 : 90,917,208.45 = 36,515,256.81 : x
  2. Step 2: Convert to fraction form
    65,882,030.37/90,917,208.45 = 36,515,256.81/x
  3. Step 3: Cross multiply
    65,882,030.37x = 90,917,208.45 × 36,515,256.81
  4. Step 4: Simplify right side
    65,882,030.37x = 3,319,865,215,000,052.50
  5. Step 5: Solve for x
    x = 3,319,865,215,000,052.50/65,882,030.37
  6. Step 6: Final answer
    x = 50,391,058.02

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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.