Home / 409,455,092.40-614,182,638.60-118,331,712.60

Finding the Fourth Proportional to 409,455,092.40, 614,182,638.60 and 118,331,712.60

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Solution

The fourth proportional to 409,455,092.40, 614,182,638.60 and 118,331,712.60 is: 177,497,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,455,092.40 : 614,182,638.60 = 118,331,712.60 : x
  2. Step 2: Convert to fraction form
    409,455,092.40/614,182,638.60 = 118,331,712.60/x
  3. Step 3: Cross multiply
    409,455,092.40x = 614,182,638.60 × 118,331,712.60
  4. Step 4: Simplify right side
    409,455,092.40x = 72,677,283,474,724,864
  5. Step 5: Solve for x
    x = 72,677,283,474,724,864/409,455,092.40
  6. Step 6: Final answer
    x = 177,497,568.90

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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.