Home / 65,612,939.52-90,544,102.29-36,243,639.98

Finding the Fourth Proportional to 65,612,939.52, 90,544,102.29 and 36,243,639.98

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Solution

The fourth proportional to 65,612,939.52, 90,544,102.29 and 36,243,639.98 is: 50,015,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,612,939.52 : 90,544,102.29 = 36,243,639.98 : x
  2. Step 2: Convert to fraction form
    65,612,939.52/90,544,102.29 = 36,243,639.98/x
  3. Step 3: Cross multiply
    65,612,939.52x = 90,544,102.29 × 36,243,639.98
  4. Step 4: Simplify right side
    65,612,939.52x = 3,281,647,845,258,333.50
  5. Step 5: Solve for x
    x = 3,281,647,845,258,333.50/65,612,939.52
  6. Step 6: Final answer
    x = 50,015,254.14

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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.