Home / 151,398,839.86-227,098,259.78-47,778,547.18

Finding the Fourth Proportional to 151,398,839.86, 227,098,259.78 and 47,778,547.18

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Solution

The fourth proportional to 151,398,839.86, 227,098,259.78 and 47,778,547.18 is: 71,667,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,398,839.86 : 227,098,259.78 = 47,778,547.18 : x
  2. Step 2: Convert to fraction form
    151,398,839.86/227,098,259.78 = 47,778,547.18/x
  3. Step 3: Cross multiply
    151,398,839.86x = 227,098,259.78 × 47,778,547.18
  4. Step 4: Simplify right side
    151,398,839.86x = 10,850,424,919,394,626
  5. Step 5: Solve for x
    x = 10,850,424,919,394,626/151,398,839.86
  6. Step 6: Final answer
    x = 71,667,820.77

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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.