Home / 118,643,997.18-177,900,975.60-36,740,137.05

Finding the Fourth Proportional to 118,643,997.18, 177,900,975.60 and 36,740,137.05

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Solution

The fourth proportional to 118,643,997.18, 177,900,975.60 and 36,740,137.05 is: 55,090,070.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,643,997.18 : 177,900,975.60 = 36,740,137.05 : x
  2. Step 2: Convert to fraction form
    118,643,997.18/177,900,975.60 = 36,740,137.05/x
  3. Step 3: Cross multiply
    118,643,997.18x = 177,900,975.60 × 36,740,137.05
  4. Step 4: Simplify right side
    118,643,997.18x = 6,536,106,224,872,705
  5. Step 5: Solve for x
    x = 6,536,106,224,872,705/118,643,997.18
  6. Step 6: Final answer
    x = 55,090,070.97

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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.