Home / 66,090,972.52-91,205,246.82-36,727,085.80

Finding the Fourth Proportional to 66,090,972.52, 91,205,246.82 and 36,727,085.80

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Solution

The fourth proportional to 66,090,972.52, 91,205,246.82 and 36,727,085.80 is: 50,683,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090,972.52 : 91,205,246.82 = 36,727,085.80 : x
  2. Step 2: Convert to fraction form
    66,090,972.52/91,205,246.82 = 36,727,085.80/x
  3. Step 3: Cross multiply
    66,090,972.52x = 91,205,246.82 × 36,727,085.80
  4. Step 4: Simplify right side
    66,090,972.52x = 3,349,702,925,368,316.50
  5. Step 5: Solve for x
    x = 3,349,702,925,368,316.50/66,090,972.52
  6. Step 6: Final answer
    x = 50,683,214.33

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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.