Home / 215,677,974.40-323,516,961.60-134,048,636.80

Finding the Fourth Proportional to 215,677,974.40, 323,516,961.60 and 134,048,636.80

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Solution

The fourth proportional to 215,677,974.40, 323,516,961.60 and 134,048,636.80 is: 201,072,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,677,974.40 : 323,516,961.60 = 134,048,636.80 : x
  2. Step 2: Convert to fraction form
    215,677,974.40/323,516,961.60 = 134,048,636.80/x
  3. Step 3: Cross multiply
    215,677,974.40x = 323,516,961.60 × 134,048,636.80
  4. Step 4: Simplify right side
    215,677,974.40x = 43,367,007,684,157,952
  5. Step 5: Solve for x
    x = 43,367,007,684,157,952/215,677,974.40
  6. Step 6: Final answer
    x = 201,072,955.20

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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.