Home / 221,303,393.60-331,955,090.40-112,464,276.80

Finding the Fourth Proportional to 221,303,393.60, 331,955,090.40 and 112,464,276.80

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Solution

The fourth proportional to 221,303,393.60, 331,955,090.40 and 112,464,276.80 is: 168,696,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,303,393.60 : 331,955,090.40 = 112,464,276.80 : x
  2. Step 2: Convert to fraction form
    221,303,393.60/331,955,090.40 = 112,464,276.80/x
  3. Step 3: Cross multiply
    221,303,393.60x = 331,955,090.40 × 112,464,276.80
  4. Step 4: Simplify right side
    221,303,393.60x = 37,333,089,171,914,616
  5. Step 5: Solve for x
    x = 37,333,089,171,914,616/221,303,393.60
  6. Step 6: Final answer
    x = 168,696,415.20

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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.