Home / 66,651,129.66-91,941,531.66-38,770,701.24

Finding the Fourth Proportional to 66,651,129.66, 91,941,531.66 and 38,770,701.24

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Solution

The fourth proportional to 66,651,129.66, 91,941,531.66 and 38,770,701.24 is: 53,482,029.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,651,129.66 : 91,941,531.66 = 38,770,701.24 : x
  2. Step 2: Convert to fraction form
    66,651,129.66/91,941,531.66 = 38,770,701.24/x
  3. Step 3: Cross multiply
    66,651,129.66x = 91,941,531.66 × 38,770,701.24
  4. Step 4: Simplify right side
    66,651,129.66x = 3,564,637,655,537,861.50
  5. Step 5: Solve for x
    x = 3,564,637,655,537,861.50/66,651,129.66
  6. Step 6: Final answer
    x = 53,482,029.09

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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.