Home / 122,092,143.80-183,138,215.70-45,399,302.60

Finding the Fourth Proportional to 122,092,143.80, 183,138,215.70 and 45,399,302.60

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Solution

The fourth proportional to 122,092,143.80, 183,138,215.70 and 45,399,302.60 is: 68,098,953.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,092,143.80 : 183,138,215.70 = 45,399,302.60 : x
  2. Step 2: Convert to fraction form
    122,092,143.80/183,138,215.70 = 45,399,302.60/x
  3. Step 3: Cross multiply
    122,092,143.80x = 183,138,215.70 × 45,399,302.60
  4. Step 4: Simplify right side
    122,092,143.80x = 8,314,347,272,188,371
  5. Step 5: Solve for x
    x = 8,314,347,272,188,371/122,092,143.80
  6. Step 6: Final answer
    x = 68,098,953.90

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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.