Home / 65,747,008.54-90,767,360.22-39,648,137.86

Finding the Fourth Proportional to 65,747,008.54, 90,767,360.22 and 39,648,137.86

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Solution

The fourth proportional to 65,747,008.54, 90,767,360.22 and 39,648,137.86 is: 54,736,434.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,747,008.54 : 90,767,360.22 = 39,648,137.86 : x
  2. Step 2: Convert to fraction form
    65,747,008.54/90,767,360.22 = 39,648,137.86/x
  3. Step 3: Cross multiply
    65,747,008.54x = 90,767,360.22 × 39,648,137.86
  4. Step 4: Simplify right side
    65,747,008.54x = 3,598,756,811,190,840
  5. Step 5: Solve for x
    x = 3,598,756,811,190,840/65,747,008.54
  6. Step 6: Final answer
    x = 54,736,434.27

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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.