Home / 68,284,929.64-102,461,022.67-31,888,030.23

Finding the Fourth Proportional to 68,284,929.64, 102,461,022.67 and 31,888,030.23

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Solution

The fourth proportional to 68,284,929.64, 102,461,022.67 and 31,888,030.23 is: 47,847,749.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,284,929.64 : 102,461,022.67 = 31,888,030.23 : x
  2. Step 2: Convert to fraction form
    68,284,929.64/102,461,022.67 = 31,888,030.23/x
  3. Step 3: Cross multiply
    68,284,929.64x = 102,461,022.67 × 31,888,030.23
  4. Step 4: Simplify right side
    68,284,929.64x = 3,267,280,188,138,235.50
  5. Step 5: Solve for x
    x = 3,267,280,188,138,235.50/68,284,929.64
  6. Step 6: Final answer
    x = 47,847,749.21

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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.