Home / 379,827,103.11-569,730,025.75-121,057,851.39

Finding the Fourth Proportional to 379,827,103.11, 569,730,025.75 and 121,057,851.39

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Solution

The fourth proportional to 379,827,103.11, 569,730,025.75 and 121,057,851.39 is: 181,583,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,827,103.11 : 569,730,025.75 = 121,057,851.39 : x
  2. Step 2: Convert to fraction form
    379,827,103.11/569,730,025.75 = 121,057,851.39/x
  3. Step 3: Cross multiply
    379,827,103.11x = 569,730,025.75 × 121,057,851.39
  4. Step 4: Simplify right side
    379,827,103.11x = 68,970,292,789,664,376
  5. Step 5: Solve for x
    x = 68,970,292,789,664,376/379,827,103.11
  6. Step 6: Final answer
    x = 181,583,389.46

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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.