Home / 379,827,100.86-569,730,022.38-121,057,849.14

Finding the Fourth Proportional to 379,827,100.86, 569,730,022.38 and 121,057,849.14

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Solution

The fourth proportional to 379,827,100.86, 569,730,022.38 and 121,057,849.14 is: 181,583,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,827,100.86 : 569,730,022.38 = 121,057,849.14 : x
  2. Step 2: Convert to fraction form
    379,827,100.86/569,730,022.38 = 121,057,849.14/x
  3. Step 3: Cross multiply
    379,827,100.86x = 569,730,022.38 × 121,057,849.14
  4. Step 4: Simplify right side
    379,827,100.86x = 68,970,291,099,806,864
  5. Step 5: Solve for x
    x = 68,970,291,099,806,864/379,827,100.86
  6. Step 6: Final answer
    x = 181,583,386.08

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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.