Home / 68,124,597.28-102,185,933.60-31,712,621.92

Finding the Fourth Proportional to 68,124,597.28, 102,185,933.60 and 31,712,621.92

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Solution

The fourth proportional to 68,124,597.28, 102,185,933.60 and 31,712,621.92 is: 47,568,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,124,597.28 : 102,185,933.60 = 31,712,621.92 : x
  2. Step 2: Convert to fraction form
    68,124,597.28/102,185,933.60 = 31,712,621.92/x
  3. Step 3: Cross multiply
    68,124,597.28x = 102,185,933.60 × 31,712,621.92
  4. Step 4: Simplify right side
    68,124,597.28x = 3,240,583,877,622,841.50
  5. Step 5: Solve for x
    x = 3,240,583,877,622,841.50/68,124,597.28
  6. Step 6: Final answer
    x = 47,568,484.91

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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.