Home / 68,579,990.69-94,615,955.15-40,681,331.10

Finding the Fourth Proportional to 68,579,990.69, 94,615,955.15 and 40,681,331.10

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Solution

The fourth proportional to 68,579,990.69, 94,615,955.15 and 40,681,331.10 is: 56,125,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,579,990.69 : 94,615,955.15 = 40,681,331.10 : x
  2. Step 2: Convert to fraction form
    68,579,990.69/94,615,955.15 = 40,681,331.10/x
  3. Step 3: Cross multiply
    68,579,990.69x = 94,615,955.15 × 40,681,331.10
  4. Step 4: Simplify right side
    68,579,990.69x = 3,849,102,998,596,493.50
  5. Step 5: Solve for x
    x = 3,849,102,998,596,493.50/68,579,990.69
  6. Step 6: Final answer
    x = 56,125,743.97

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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.