Home / 65,398,982.34-90,254,672.20-36,030,308.82

Finding the Fourth Proportional to 65,398,982.34, 90,254,672.20 and 36,030,308.82

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Solution

The fourth proportional to 65,398,982.34, 90,254,672.20 and 36,030,308.82 is: 49,724,072.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,398,982.34 : 90,254,672.20 = 36,030,308.82 : x
  2. Step 2: Convert to fraction form
    65,398,982.34/90,254,672.20 = 36,030,308.82/x
  3. Step 3: Cross multiply
    65,398,982.34x = 90,254,672.20 × 36,030,308.82
  4. Step 4: Simplify right side
    65,398,982.34x = 3,251,903,711,633,717
  5. Step 5: Solve for x
    x = 3,251,903,711,633,717/65,398,982.34
  6. Step 6: Final answer
    x = 49,724,072.08

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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.