Home / 66,236,605.53-91,406,520.02-36,867,307.81

Finding the Fourth Proportional to 66,236,605.53, 91,406,520.02 and 36,867,307.81

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Solution

The fourth proportional to 66,236,605.53, 91,406,520.02 and 36,867,307.81 is: 50,876,887.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,236,605.53 : 91,406,520.02 = 36,867,307.81 : x
  2. Step 2: Convert to fraction form
    66,236,605.53/91,406,520.02 = 36,867,307.81/x
  3. Step 3: Cross multiply
    66,236,605.53x = 91,406,520.02 × 36,867,307.81
  4. Step 4: Simplify right side
    66,236,605.53x = 3,369,912,309,418,267.50
  5. Step 5: Solve for x
    x = 3,369,912,309,418,267.50/66,236,605.53
  6. Step 6: Final answer
    x = 50,876,887.22

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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.