Home / 90,723,129.40-136,084,694.10-33,217,276.60

Finding the Fourth Proportional to 90,723,129.40, 136,084,694.10 and 33,217,276.60

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Solution

The fourth proportional to 90,723,129.40, 136,084,694.10 and 33,217,276.60 is: 49,825,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,723,129.40 : 136,084,694.10 = 33,217,276.60 : x
  2. Step 2: Convert to fraction form
    90,723,129.40/136,084,694.10 = 33,217,276.60/x
  3. Step 3: Cross multiply
    90,723,129.40x = 136,084,694.10 × 33,217,276.60
  4. Step 4: Simplify right side
    90,723,129.40x = 4,520,362,924,946,088
  5. Step 5: Solve for x
    x = 4,520,362,924,946,088/90,723,129.40
  6. Step 6: Final answer
    x = 49,825,914.90

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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.