Home / 239,789,926.65-330,916,546.93-145,672,053.60

Finding the Fourth Proportional to 239,789,926.65, 330,916,546.93 and 145,672,053.60

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Solution

The fourth proportional to 239,789,926.65, 330,916,546.93 and 145,672,053.60 is: 201,031,351.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,789,926.65 : 330,916,546.93 = 145,672,053.60 : x
  2. Step 2: Convert to fraction form
    239,789,926.65/330,916,546.93 = 145,672,053.60/x
  3. Step 3: Cross multiply
    239,789,926.65x = 330,916,546.93 × 145,672,053.60
  4. Step 4: Simplify right side
    239,789,926.65x = 48,205,292,961,513,872
  5. Step 5: Solve for x
    x = 48,205,292,961,513,872/239,789,926.65
  6. Step 6: Final answer
    x = 201,031,351.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.