Home / 142,226,867.71-213,340,383.98-39,990,905.33

Finding the Fourth Proportional to 142,226,867.71, 213,340,383.98 and 39,990,905.33

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Solution

The fourth proportional to 142,226,867.71, 213,340,383.98 and 39,990,905.33 is: 59,986,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,226,867.71 : 213,340,383.98 = 39,990,905.33 : x
  2. Step 2: Convert to fraction form
    142,226,867.71/213,340,383.98 = 39,990,905.33/x
  3. Step 3: Cross multiply
    142,226,867.71x = 213,340,383.98 × 39,990,905.33
  4. Step 4: Simplify right side
    142,226,867.71x = 8,531,675,099,443,357
  5. Step 5: Solve for x
    x = 8,531,675,099,443,357/142,226,867.71
  6. Step 6: Final answer
    x = 59,986,381.17

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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.