Home / 43,964,153.60-65,946,230.40-21,289,337.60

Finding the Fourth Proportional to 43,964,153.60, 65,946,230.40 and 21,289,337.60

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Solution

The fourth proportional to 43,964,153.60, 65,946,230.40 and 21,289,337.60 is: 31,934,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,964,153.60 : 65,946,230.40 = 21,289,337.60 : x
  2. Step 2: Convert to fraction form
    43,964,153.60/65,946,230.40 = 21,289,337.60/x
  3. Step 3: Cross multiply
    43,964,153.60x = 65,946,230.40 × 21,289,337.60
  4. Step 4: Simplify right side
    43,964,153.60x = 1,403,951,562,432,983
  5. Step 5: Solve for x
    x = 1,403,951,562,432,983/43,964,153.60
  6. Step 6: Final answer
    x = 31,934,006.40

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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.