Home / 242,259,401.12-334,319,331.48-137,837,470.28

Finding the Fourth Proportional to 242,259,401.12, 334,319,331.48 and 137,837,470.28

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Solution

The fourth proportional to 242,259,401.12, 334,319,331.48 and 137,837,470.28 is: 190,216,481.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,259,401.12 : 334,319,331.48 = 137,837,470.28 : x
  2. Step 2: Convert to fraction form
    242,259,401.12/334,319,331.48 = 137,837,470.28/x
  3. Step 3: Cross multiply
    242,259,401.12x = 334,319,331.48 × 137,837,470.28
  4. Step 4: Simplify right side
    242,259,401.12x = 46,081,730,916,903,968
  5. Step 5: Solve for x
    x = 46,081,730,916,903,968/242,259,401.12
  6. Step 6: Final answer
    x = 190,216,481.61

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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.