Home / 104,319,603.40-156,330,105.90-76,811,225.80

Finding the Fourth Proportional to 104,319,603.40, 156,330,105.90 and 76,811,225.80

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Solution

The fourth proportional to 104,319,603.40, 156,330,105.90 and 76,811,225.80 is: 115,106,908.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,319,603.40 : 156,330,105.90 = 76,811,225.80 : x
  2. Step 2: Convert to fraction form
    104,319,603.40/156,330,105.90 = 76,811,225.80/x
  3. Step 3: Cross multiply
    104,319,603.40x = 156,330,105.90 × 76,811,225.80
  4. Step 4: Simplify right side
    104,319,603.40x = 12,007,907,063,622,812
  5. Step 5: Solve for x
    x = 12,007,907,063,622,812/104,319,603.40
  6. Step 6: Final answer
    x = 115,106,908.69

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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.