Home / 91,280,628-136,936,885.24-40,161,318.22

Finding the Fourth Proportional to 91,280,628, 136,936,885.24 and 40,161,318.22

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Solution

The fourth proportional to 91,280,628, 136,936,885.24 and 40,161,318.22 is: 60,248,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,280,628 : 136,936,885.24 = 40,161,318.22 : x
  2. Step 2: Convert to fraction form
    91,280,628/136,936,885.24 = 40,161,318.22/x
  3. Step 3: Cross multiply
    91,280,628x = 136,936,885.24 × 40,161,318.22
  4. Step 4: Simplify right side
    91,280,628x = 5,499,565,824,179,261
  5. Step 5: Solve for x
    x = 5,499,565,824,179,261/91,280,628
  6. Step 6: Final answer
    x = 60,248,991.98

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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.