Home / 118,088,939.45-177,121,449.47-31,836,065.15

Finding the Fourth Proportional to 118,088,939.45, 177,121,449.47 and 31,836,065.15

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Solution

The fourth proportional to 118,088,939.45, 177,121,449.47 and 31,836,065.15 is: 47,750,873.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,088,939.45 : 177,121,449.47 = 31,836,065.15 : x
  2. Step 2: Convert to fraction form
    118,088,939.45/177,121,449.47 = 31,836,065.15/x
  3. Step 3: Cross multiply
    118,088,939.45x = 177,121,449.47 × 31,836,065.15
  4. Step 4: Simplify right side
    118,088,939.45x = 5,638,850,003,744,565
  5. Step 5: Solve for x
    x = 5,638,850,003,744,565/118,088,939.45
  6. Step 6: Final answer
    x = 47,750,873.45

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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.