Home / 122,481,460.90-183,722,191.35-81,666,792.10

Finding the Fourth Proportional to 122,481,460.90, 183,722,191.35 and 81,666,792.10

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Solution

The fourth proportional to 122,481,460.90, 183,722,191.35 and 81,666,792.10 is: 122,500,188.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,481,460.90 : 183,722,191.35 = 81,666,792.10 : x
  2. Step 2: Convert to fraction form
    122,481,460.90/183,722,191.35 = 81,666,792.10/x
  3. Step 3: Cross multiply
    122,481,460.90x = 183,722,191.35 × 81,666,792.10
  4. Step 4: Simplify right side
    122,481,460.90x = 15,004,002,005,136,866
  5. Step 5: Solve for x
    x = 15,004,002,005,136,866/122,481,460.90
  6. Step 6: Final answer
    x = 122,500,188.15

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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.