Home / 122,685,345.20-183,709,153.20-96,963,600.80

Finding the Fourth Proportional to 122,685,345.20, 183,709,153.20 and 96,963,600.80

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Solution

The fourth proportional to 122,685,345.20, 183,709,153.20 and 96,963,600.80 is: 145,193,388.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,685,345.20 : 183,709,153.20 = 96,963,600.80 : x
  2. Step 2: Convert to fraction form
    122,685,345.20/183,709,153.20 = 96,963,600.80/x
  3. Step 3: Cross multiply
    122,685,345.20x = 183,709,153.20 × 96,963,600.80
  4. Step 4: Simplify right side
    122,685,345.20x = 17,813,100,994,190,840
  5. Step 5: Solve for x
    x = 17,813,100,994,190,840/122,685,345.20
  6. Step 6: Final answer
    x = 145,193,388.54

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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.