Home / 65,398,987.35-90,254,679.11-36,030,313.83

Finding the Fourth Proportional to 65,398,987.35, 90,254,679.11 and 36,030,313.83

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Solution

The fourth proportional to 65,398,987.35, 90,254,679.11 and 36,030,313.83 is: 49,724,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,398,987.35 : 90,254,679.11 = 36,030,313.83 : x
  2. Step 2: Convert to fraction form
    65,398,987.35/90,254,679.11 = 36,030,313.83/x
  3. Step 3: Cross multiply
    65,398,987.35x = 90,254,679.11 × 36,030,313.83
  4. Step 4: Simplify right side
    65,398,987.35x = 3,251,904,412,959,245
  5. Step 5: Solve for x
    x = 3,251,904,412,959,245/65,398,987.35
  6. Step 6: Final answer
    x = 49,724,078.99

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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.