Home / 187,068,977.58-258,149,844.80-103,435,667.58

Finding the Fourth Proportional to 187,068,977.58, 258,149,844.80 and 103,435,667.58

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Solution

The fourth proportional to 187,068,977.58, 258,149,844.80 and 103,435,667.58 is: 142,738,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,068,977.58 : 258,149,844.80 = 103,435,667.58 : x
  2. Step 2: Convert to fraction form
    187,068,977.58/258,149,844.80 = 103,435,667.58/x
  3. Step 3: Cross multiply
    187,068,977.58x = 258,149,844.80 × 103,435,667.58
  4. Step 4: Simplify right side
    187,068,977.58x = 26,701,901,532,561,392
  5. Step 5: Solve for x
    x = 26,701,901,532,561,392/187,068,977.58
  6. Step 6: Final answer
    x = 142,738,266.27

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1.5x scale

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.