Home / 118,643,997.31-177,900,975.80-36,740,137.18

Finding the Fourth Proportional to 118,643,997.31, 177,900,975.80 and 36,740,137.18

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Solution

The fourth proportional to 118,643,997.31, 177,900,975.80 and 36,740,137.18 is: 55,090,071.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,643,997.31 : 177,900,975.80 = 36,740,137.18 : x
  2. Step 2: Convert to fraction form
    118,643,997.31/177,900,975.80 = 36,740,137.18/x
  3. Step 3: Cross multiply
    118,643,997.31x = 177,900,975.80 × 36,740,137.18
  4. Step 4: Simplify right side
    118,643,997.31x = 6,536,106,254,274,654
  5. Step 5: Solve for x
    x = 6,536,106,254,274,654/118,643,997.31
  6. Step 6: Final answer
    x = 55,090,071.16

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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.