Home / 126,366,926.80-189,550,390.20-103,408,675.60

Finding the Fourth Proportional to 126,366,926.80, 189,550,390.20 and 103,408,675.60

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Solution

The fourth proportional to 126,366,926.80, 189,550,390.20 and 103,408,675.60 is: 155,113,013.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,366,926.80 : 189,550,390.20 = 103,408,675.60 : x
  2. Step 2: Convert to fraction form
    126,366,926.80/189,550,390.20 = 103,408,675.60/x
  3. Step 3: Cross multiply
    126,366,926.80x = 189,550,390.20 × 103,408,675.60
  4. Step 4: Simplify right side
    126,366,926.80x = 19,601,154,810,045,216
  5. Step 5: Solve for x
    x = 19,601,154,810,045,216/126,366,926.80
  6. Step 6: Final answer
    x = 155,113,013.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.