Home / 68,197,846.43-102,361,443.06-42,211,541.47

Finding the Fourth Proportional to 68,197,846.43, 102,361,443.06 and 42,211,541.47

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Solution

The fourth proportional to 68,197,846.43, 102,361,443.06 and 42,211,541.47 is: 63,357,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,197,846.43 : 102,361,443.06 = 42,211,541.47 : x
  2. Step 2: Convert to fraction form
    68,197,846.43/102,361,443.06 = 42,211,541.47/x
  3. Step 3: Cross multiply
    68,197,846.43x = 102,361,443.06 × 42,211,541.47
  4. Step 4: Simplify right side
    68,197,846.43x = 4,320,834,298,656,233.50
  5. Step 5: Solve for x
    x = 4,320,834,298,656,233.50/68,197,846.43
  6. Step 6: Final answer
    x = 63,357,342.28

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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.