Home / 90,104,667.31-135,157,222.45-25,408,811.44

Finding the Fourth Proportional to 90,104,667.31, 135,157,222.45 and 25,408,811.44

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Solution

The fourth proportional to 90,104,667.31, 135,157,222.45 and 25,408,811.44 is: 38,113,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,104,667.31 : 135,157,222.45 = 25,408,811.44 : x
  2. Step 2: Convert to fraction form
    90,104,667.31/135,157,222.45 = 25,408,811.44/x
  3. Step 3: Cross multiply
    90,104,667.31x = 135,157,222.45 × 25,408,811.44
  4. Step 4: Simplify right side
    90,104,667.31x = 3,434,184,379,986,184.50
  5. Step 5: Solve for x
    x = 3,434,184,379,986,184.50/90,104,667.31
  6. Step 6: Final answer
    x = 38,113,279.62

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1.5x scale

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.