Home / 61,892,275.60-92,805,754.20-20,937,638.80

Finding the Fourth Proportional to 61,892,275.60, 92,805,754.20 and 20,937,638.80

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Solution

The fourth proportional to 61,892,275.60, 92,805,754.20 and 20,937,638.80 is: 31,395,409.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,892,275.60 : 92,805,754.20 = 20,937,638.80 : x
  2. Step 2: Convert to fraction form
    61,892,275.60/92,805,754.20 = 20,937,638.80/x
  3. Step 3: Cross multiply
    61,892,275.60x = 92,805,754.20 × 20,937,638.80
  4. Step 4: Simplify right side
    61,892,275.60x = 1,943,133,360,001,183
  5. Step 5: Solve for x
    x = 1,943,133,360,001,183/61,892,275.60
  6. Step 6: Final answer
    x = 31,395,409.87

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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.