Home / 65,920,670.46-90,971,614.08-36,553,240.80

Finding the Fourth Proportional to 65,920,670.46, 90,971,614.08 and 36,553,240.80

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Solution

The fourth proportional to 65,920,670.46, 90,971,614.08 and 36,553,240.80 is: 50,444,076.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,920,670.46 : 90,971,614.08 = 36,553,240.80 : x
  2. Step 2: Convert to fraction form
    65,920,670.46/90,971,614.08 = 36,553,240.80/x
  3. Step 3: Cross multiply
    65,920,670.46x = 90,971,614.08 × 36,553,240.80
  4. Step 4: Simplify right side
    65,920,670.46x = 3,325,307,315,430,910
  5. Step 5: Solve for x
    x = 3,325,307,315,430,910/65,920,670.46
  6. Step 6: Final answer
    x = 50,444,076.07

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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.