Home / 69,321,012.34-95,665,985.64-38,381,180.70

Finding the Fourth Proportional to 69,321,012.34, 95,665,985.64 and 38,381,180.70

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Solution

The fourth proportional to 69,321,012.34, 95,665,985.64 and 38,381,180.70 is: 52,967,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,321,012.34 : 95,665,985.64 = 38,381,180.70 : x
  2. Step 2: Convert to fraction form
    69,321,012.34/95,665,985.64 = 38,381,180.70/x
  3. Step 3: Cross multiply
    69,321,012.34x = 95,665,985.64 × 38,381,180.70
  4. Step 4: Simplify right side
    69,321,012.34x = 3,671,773,481,692,445.50
  5. Step 5: Solve for x
    x = 3,671,773,481,692,445.50/69,321,012.34
  6. Step 6: Final answer
    x = 52,967,684.08

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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.