Home / 91,872,536.34-137,828,983.08-27,171,297.12

Finding the Fourth Proportional to 91,872,536.34, 137,828,983.08 and 27,171,297.12

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Solution

The fourth proportional to 91,872,536.34, 137,828,983.08 and 27,171,297.12 is: 40,762,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,872,536.34 : 137,828,983.08 = 27,171,297.12 : x
  2. Step 2: Convert to fraction form
    91,872,536.34/137,828,983.08 = 27,171,297.12/x
  3. Step 3: Cross multiply
    91,872,536.34x = 137,828,983.08 × 27,171,297.12
  4. Step 4: Simplify right side
    91,872,536.34x = 3,744,992,251,014,133
  5. Step 5: Solve for x
    x = 3,744,992,251,014,133/91,872,536.34
  6. Step 6: Final answer
    x = 40,762,913.49

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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.