Home / 65,858,389.81-90,883,374.98-36,489,615.14

Finding the Fourth Proportional to 65,858,389.81, 90,883,374.98 and 36,489,615.14

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Solution

The fourth proportional to 65,858,389.81, 90,883,374.98 and 36,489,615.14 is: 50,355,002.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,858,389.81 : 90,883,374.98 = 36,489,615.14 : x
  2. Step 2: Convert to fraction form
    65,858,389.81/90,883,374.98 = 36,489,615.14/x
  3. Step 3: Cross multiply
    65,858,389.81x = 90,883,374.98 × 36,489,615.14
  4. Step 4: Simplify right side
    65,858,389.81x = 3,316,299,375,689,265
  5. Step 5: Solve for x
    x = 3,316,299,375,689,265/65,858,389.81
  6. Step 6: Final answer
    x = 50,355,002.38

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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.