Home / 122,474,835.40-183,712,253.10-81,660,166.60

Finding the Fourth Proportional to 122,474,835.40, 183,712,253.10 and 81,660,166.60

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Solution

The fourth proportional to 122,474,835.40, 183,712,253.10 and 81,660,166.60 is: 122,490,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,474,835.40 : 183,712,253.10 = 81,660,166.60 : x
  2. Step 2: Convert to fraction form
    122,474,835.40/183,712,253.10 = 81,660,166.60/x
  3. Step 3: Cross multiply
    122,474,835.40x = 183,712,253.10 × 81,660,166.60
  4. Step 4: Simplify right side
    122,474,835.40x = 15,001,973,194,607,364
  5. Step 5: Solve for x
    x = 15,001,973,194,607,364/122,474,835.40
  6. Step 6: Final answer
    x = 122,490,249.90

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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.