Home / 90,332,492.88-135,205,584.10-48,775,598.94

Finding the Fourth Proportional to 90,332,492.88, 135,205,584.10 and 48,775,598.94

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Solution

The fourth proportional to 90,332,492.88, 135,205,584.10 and 48,775,598.94 is: 73,005,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,332,492.88 : 135,205,584.10 = 48,775,598.94 : x
  2. Step 2: Convert to fraction form
    90,332,492.88/135,205,584.10 = 48,775,598.94/x
  3. Step 3: Cross multiply
    90,332,492.88x = 135,205,584.10 × 48,775,598.94
  4. Step 4: Simplify right side
    90,332,492.88x = 6,594,733,344,510,040
  5. Step 5: Solve for x
    x = 6,594,733,344,510,040/90,332,492.88
  6. Step 6: Final answer
    x = 73,005,107.40

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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.