Home / 342,610,936.48-513,855,655.82-155,821,127.60

Finding the Fourth Proportional to 342,610,936.48, 513,855,655.82 and 155,821,127.60

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Solution

The fourth proportional to 342,610,936.48, 513,855,655.82 and 155,821,127.60 is: 233,704,062.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,610,936.48 : 513,855,655.82 = 155,821,127.60 : x
  2. Step 2: Convert to fraction form
    342,610,936.48/513,855,655.82 = 155,821,127.60/x
  3. Step 3: Cross multiply
    342,610,936.48x = 513,855,655.82 × 155,821,127.60
  4. Step 4: Simplify right side
    342,610,936.48x = 80,069,567,713,204,528
  5. Step 5: Solve for x
    x = 80,069,567,713,204,528/342,610,936.48
  6. Step 6: Final answer
    x = 233,704,062.50

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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.