Home / 66,296,266.54-91,490,913.11-38,043,813.22

Finding the Fourth Proportional to 66,296,266.54, 91,490,913.11 and 38,043,813.22

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Solution

The fourth proportional to 66,296,266.54, 91,490,913.11 and 38,043,813.22 is: 52,501,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,296,266.54 : 91,490,913.11 = 38,043,813.22 : x
  2. Step 2: Convert to fraction form
    66,296,266.54/91,490,913.11 = 38,043,813.22/x
  3. Step 3: Cross multiply
    66,296,266.54x = 91,490,913.11 × 38,043,813.22
  4. Step 4: Simplify right side
    66,296,266.54x = 3,480,663,209,550,471.50
  5. Step 5: Solve for x
    x = 3,480,663,209,550,471.50/66,296,266.54
  6. Step 6: Final answer
    x = 52,501,647.40

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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.