Home / 141,173,467.02-194,825,241.45-78,449,330.70

Finding the Fourth Proportional to 141,173,467.02, 194,825,241.45 and 78,449,330.70

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Solution

The fourth proportional to 141,173,467.02, 194,825,241.45 and 78,449,330.70 is: 108,263,331.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,173,467.02 : 194,825,241.45 = 78,449,330.70 : x
  2. Step 2: Convert to fraction form
    141,173,467.02/194,825,241.45 = 78,449,330.70/x
  3. Step 3: Cross multiply
    141,173,467.02x = 194,825,241.45 × 78,449,330.70
  4. Step 4: Simplify right side
    141,173,467.02x = 15,283,909,795,218,398
  5. Step 5: Solve for x
    x = 15,283,909,795,218,398/141,173,467.02
  6. Step 6: Final answer
    x = 108,263,331.05

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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.