Home / 159,446,749.60-239,170,124.40-145,337,975.20

Finding the Fourth Proportional to 159,446,749.60, 239,170,124.40 and 145,337,975.20

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Solution

The fourth proportional to 159,446,749.60, 239,170,124.40 and 145,337,975.20 is: 218,006,962.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,446,749.60 : 239,170,124.40 = 145,337,975.20 : x
  2. Step 2: Convert to fraction form
    159,446,749.60/239,170,124.40 = 145,337,975.20/x
  3. Step 3: Cross multiply
    159,446,749.60x = 239,170,124.40 × 145,337,975.20
  4. Step 4: Simplify right side
    159,446,749.60x = 34,760,501,608,628,112
  5. Step 5: Solve for x
    x = 34,760,501,608,628,112/159,446,749.60
  6. Step 6: Final answer
    x = 218,006,962.80

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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.