Home / 90,299,761.00-124,615,311.74-51,149,666.50

Finding the Fourth Proportional to 90,299,761.00, 124,615,311.74 and 51,149,666.50

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Solution

The fourth proportional to 90,299,761.00, 124,615,311.74 and 51,149,666.50 is: 70,587,469.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,299,761.00 : 124,615,311.74 = 51,149,666.50 : x
  2. Step 2: Convert to fraction form
    90,299,761.00/124,615,311.74 = 51,149,666.50/x
  3. Step 3: Cross multiply
    90,299,761.00x = 124,615,311.74 × 51,149,666.50
  4. Step 4: Simplify right side
    90,299,761.00x = 6,374,031,635,919,059
  5. Step 5: Solve for x
    x = 6,374,031,635,919,059/90,299,761.00
  6. Step 6: Final answer
    x = 70,587,469.62

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1.5x scale

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.