Home / 65,384,615.34-90,229,666.83-36,018,694.86

Finding the Fourth Proportional to 65,384,615.34, 90,229,666.83 and 36,018,694.86

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Solution

The fourth proportional to 65,384,615.34, 90,229,666.83 and 36,018,694.86 is: 49,705,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,384,615.34 : 90,229,666.83 = 36,018,694.86 : x
  2. Step 2: Convert to fraction form
    65,384,615.34/90,229,666.83 = 36,018,694.86/x
  3. Step 3: Cross multiply
    65,384,615.34x = 90,229,666.83 × 36,018,694.86
  4. Step 4: Simplify right side
    65,384,615.34x = 3,249,954,836,869,233.50
  5. Step 5: Solve for x
    x = 3,249,954,836,869,233.50/65,384,615.34
  6. Step 6: Final answer
    x = 49,705,191.66

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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.