Home / 209,970,611.40-314,955,917.10-166,605,025.80

Finding the Fourth Proportional to 209,970,611.40, 314,955,917.10 and 166,605,025.80

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Solution

The fourth proportional to 209,970,611.40, 314,955,917.10 and 166,605,025.80 is: 249,907,538.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,970,611.40 : 314,955,917.10 = 166,605,025.80 : x
  2. Step 2: Convert to fraction form
    209,970,611.40/314,955,917.10 = 166,605,025.80/x
  3. Step 3: Cross multiply
    209,970,611.40x = 314,955,917.10 × 166,605,025.80
  4. Step 4: Simplify right side
    209,970,611.40x = 52,473,238,694,308,168
  5. Step 5: Solve for x
    x = 52,473,238,694,308,168/209,970,611.40
  6. Step 6: Final answer
    x = 249,907,538.70

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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.