Home / 432,128,949.72-648,195,126.69-104,603,937.03

Finding the Fourth Proportional to 432,128,949.72, 648,195,126.69 and 104,603,937.03

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Solution

The fourth proportional to 432,128,949.72, 648,195,126.69 and 104,603,937.03 is: 156,906,317.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,128,949.72 : 648,195,126.69 = 104,603,937.03 : x
  2. Step 2: Convert to fraction form
    432,128,949.72/648,195,126.69 = 104,603,937.03/x
  3. Step 3: Cross multiply
    432,128,949.72x = 648,195,126.69 × 104,603,937.03
  4. Step 4: Simplify right side
    432,128,949.72x = 67,803,762,215,433,640
  5. Step 5: Solve for x
    x = 67,803,762,215,433,640/432,128,949.72
  6. Step 6: Final answer
    x = 156,906,317.57

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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.