Home / 117,505,987.20-176,258,980.80-36,726,825.60

Finding the Fourth Proportional to 117,505,987.20, 176,258,980.80 and 36,726,825.60

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Solution

The fourth proportional to 117,505,987.20, 176,258,980.80 and 36,726,825.60 is: 55,090,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,505,987.20 : 176,258,980.80 = 36,726,825.60 : x
  2. Step 2: Convert to fraction form
    117,505,987.20/176,258,980.80 = 36,726,825.60/x
  3. Step 3: Cross multiply
    117,505,987.20x = 176,258,980.80 × 36,726,825.60
  4. Step 4: Simplify right side
    117,505,987.20x = 6,473,432,848,275,349
  5. Step 5: Solve for x
    x = 6,473,432,848,275,349/117,505,987.20
  6. Step 6: Final answer
    x = 55,090,238.40

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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.