Home / 91,280,635.02-136,936,895.76-40,161,325.23

Finding the Fourth Proportional to 91,280,635.02, 136,936,895.76 and 40,161,325.23

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Solution

The fourth proportional to 91,280,635.02, 136,936,895.76 and 40,161,325.23 is: 60,249,002.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,280,635.02 : 136,936,895.76 = 40,161,325.23 : x
  2. Step 2: Convert to fraction form
    91,280,635.02/136,936,895.76 = 40,161,325.23/x
  3. Step 3: Cross multiply
    91,280,635.02x = 136,936,895.76 × 40,161,325.23
  4. Step 4: Simplify right side
    91,280,635.02x = 5,499,567,206,603,967
  5. Step 5: Solve for x
    x = 5,499,567,206,603,967/91,280,635.02
  6. Step 6: Final answer
    x = 60,249,002.49

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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.