Home / 61,747,371.72-92,635,165.74-21,357,821.64

Finding the Fourth Proportional to 61,747,371.72, 92,635,165.74 and 21,357,821.64

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Solution

The fourth proportional to 61,747,371.72, 92,635,165.74 and 21,357,821.64 is: 32,041,612.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,747,371.72 : 92,635,165.74 = 21,357,821.64 : x
  2. Step 2: Convert to fraction form
    61,747,371.72/92,635,165.74 = 21,357,821.64/x
  3. Step 3: Cross multiply
    61,747,371.72x = 92,635,165.74 × 21,357,821.64
  4. Step 4: Simplify right side
    61,747,371.72x = 1,978,485,347,466,758.50
  5. Step 5: Solve for x
    x = 1,978,485,347,466,758.50/61,747,371.72
  6. Step 6: Final answer
    x = 32,041,612.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.