Home / 68,780,643.30-94,917,284.10-37,840,148.28

Finding the Fourth Proportional to 68,780,643.30, 94,917,284.10 and 37,840,148.28

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Solution

The fourth proportional to 68,780,643.30, 94,917,284.10 and 37,840,148.28 is: 52,219,402.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,780,643.30 : 94,917,284.10 = 37,840,148.28 : x
  2. Step 2: Convert to fraction form
    68,780,643.30/94,917,284.10 = 37,840,148.28/x
  3. Step 3: Cross multiply
    68,780,643.30x = 94,917,284.10 × 37,840,148.28
  4. Step 4: Simplify right side
    68,780,643.30x = 3,591,684,104,678,886
  5. Step 5: Solve for x
    x = 3,591,684,104,678,886/68,780,643.30
  6. Step 6: Final answer
    x = 52,219,402.62

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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.