Home / 90,783,245.84-136,164,775.80-32,488,571.36

Finding the Fourth Proportional to 90,783,245.84, 136,164,775.80 and 32,488,571.36

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Solution

The fourth proportional to 90,783,245.84, 136,164,775.80 and 32,488,571.36 is: 48,729,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,783,245.84 : 136,164,775.80 = 32,488,571.36 : x
  2. Step 2: Convert to fraction form
    90,783,245.84/136,164,775.80 = 32,488,571.36/x
  3. Step 3: Cross multiply
    90,783,245.84x = 136,164,775.80 × 32,488,571.36
  4. Step 4: Simplify right side
    90,783,245.84x = 4,423,799,035,296,701.50
  5. Step 5: Solve for x
    x = 4,423,799,035,296,701.50/90,783,245.84
  6. Step 6: Final answer
    x = 48,729,245.08

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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.