Home / 141,173,464.02-194,825,237.31-78,449,327.70

Finding the Fourth Proportional to 141,173,464.02, 194,825,237.31 and 78,449,327.70

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Solution

The fourth proportional to 141,173,464.02, 194,825,237.31 and 78,449,327.70 is: 108,263,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,173,464.02 : 194,825,237.31 = 78,449,327.70 : x
  2. Step 2: Convert to fraction form
    141,173,464.02/194,825,237.31 = 78,449,327.70/x
  3. Step 3: Cross multiply
    141,173,464.02x = 194,825,237.31 × 78,449,327.70
  4. Step 4: Simplify right side
    141,173,464.02x = 15,283,908,885,962,458
  5. Step 5: Solve for x
    x = 15,283,908,885,962,458/141,173,464.02
  6. Step 6: Final answer
    x = 108,263,326.91

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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.