Home / 109,731,976.20-164,430,002.70-103,685,358.60

Finding the Fourth Proportional to 109,731,976.20, 164,430,002.70 and 103,685,358.60

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Solution

The fourth proportional to 109,731,976.20, 164,430,002.70 and 103,685,358.60 is: 155,369,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,731,976.20 : 164,430,002.70 = 103,685,358.60 : x
  2. Step 2: Convert to fraction form
    109,731,976.20/164,430,002.70 = 103,685,358.60/x
  3. Step 3: Cross multiply
    109,731,976.20x = 164,430,002.70 × 103,685,358.60
  4. Step 4: Simplify right side
    109,731,976.20x = 17,048,983,794,548,466
  5. Step 5: Solve for x
    x = 17,048,983,794,548,466/109,731,976.20
  6. Step 6: Final answer
    x = 155,369,331.57

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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.