Home / 238,883,054.19-329,712,380.87-156,329,009.25

Finding the Fourth Proportional to 238,883,054.19, 329,712,380.87 and 156,329,009.25

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Solution

The fourth proportional to 238,883,054.19, 329,712,380.87 and 156,329,009.25 is: 215,769,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,883,054.19 : 329,712,380.87 = 156,329,009.25 : x
  2. Step 2: Convert to fraction form
    238,883,054.19/329,712,380.87 = 156,329,009.25/x
  3. Step 3: Cross multiply
    238,883,054.19x = 329,712,380.87 × 156,329,009.25
  4. Step 4: Simplify right side
    238,883,054.19x = 51,543,609,838,084,112
  5. Step 5: Solve for x
    x = 51,543,609,838,084,112/238,883,054.19
  6. Step 6: Final answer
    x = 215,769,218.18

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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.