Home / 67,557,425.32-93,226,979.10-40,039,016.68

Finding the Fourth Proportional to 67,557,425.32, 93,226,979.10 and 40,039,016.68

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Solution

The fourth proportional to 67,557,425.32, 93,226,979.10 and 40,039,016.68 is: 55,252,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,557,425.32 : 93,226,979.10 = 40,039,016.68 : x
  2. Step 2: Convert to fraction form
    67,557,425.32/93,226,979.10 = 40,039,016.68/x
  3. Step 3: Cross multiply
    67,557,425.32x = 93,226,979.10 × 40,039,016.68
  4. Step 4: Simplify right side
    67,557,425.32x = 3,732,716,571,210,911
  5. Step 5: Solve for x
    x = 3,732,716,571,210,911/67,557,425.32
  6. Step 6: Final answer
    x = 55,252,498.94

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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.