Home / 146,709,125.40-220,063,688.10-135,623,659.80

Finding the Fourth Proportional to 146,709,125.40, 220,063,688.10 and 135,623,659.80

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Solution

The fourth proportional to 146,709,125.40, 220,063,688.10 and 135,623,659.80 is: 203,435,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,709,125.40 : 220,063,688.10 = 135,623,659.80 : x
  2. Step 2: Convert to fraction form
    146,709,125.40/220,063,688.10 = 135,623,659.80/x
  3. Step 3: Cross multiply
    146,709,125.40x = 220,063,688.10 × 135,623,659.80
  4. Step 4: Simplify right side
    146,709,125.40x = 29,845,842,769,207,712
  5. Step 5: Solve for x
    x = 29,845,842,769,207,712/146,709,125.40
  6. Step 6: Final answer
    x = 203,435,489.70

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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.