Home / 65,398,985.34-90,254,676.34-36,030,311.82

Finding the Fourth Proportional to 65,398,985.34, 90,254,676.34 and 36,030,311.82

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Solution

The fourth proportional to 65,398,985.34, 90,254,676.34 and 36,030,311.82 is: 49,724,076.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,398,985.34 : 90,254,676.34 = 36,030,311.82 : x
  2. Step 2: Convert to fraction form
    65,398,985.34/90,254,676.34 = 36,030,311.82/x
  3. Step 3: Cross multiply
    65,398,985.34x = 90,254,676.34 × 36,030,311.82
  4. Step 4: Simplify right side
    65,398,985.34x = 3,251,904,131,743,376.50
  5. Step 5: Solve for x
    x = 3,251,904,131,743,376.50/65,398,985.34
  6. Step 6: Final answer
    x = 49,724,076.22

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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.