Home / 68,468,967.36-94,496,863.77-42,371,890.02

Finding the Fourth Proportional to 68,468,967.36, 94,496,863.77 and 42,371,890.02

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Solution

The fourth proportional to 68,468,967.36, 94,496,863.77 and 42,371,890.02 is: 58,479,204.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,468,967.36 : 94,496,863.77 = 42,371,890.02 : x
  2. Step 2: Convert to fraction form
    68,468,967.36/94,496,863.77 = 42,371,890.02/x
  3. Step 3: Cross multiply
    68,468,967.36x = 94,496,863.77 × 42,371,890.02
  4. Step 4: Simplify right side
    68,468,967.36x = 4,004,010,718,897,362.50
  5. Step 5: Solve for x
    x = 4,004,010,718,897,362.50/68,468,967.36
  6. Step 6: Final answer
    x = 58,479,204.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.