Home / 43,841,750.80-65,762,626.20-21,124,944.40

Finding the Fourth Proportional to 43,841,750.80, 65,762,626.20 and 21,124,944.40

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Solution

The fourth proportional to 43,841,750.80, 65,762,626.20 and 21,124,944.40 is: 31,687,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,841,750.80 : 65,762,626.20 = 21,124,944.40 : x
  2. Step 2: Convert to fraction form
    43,841,750.80/65,762,626.20 = 21,124,944.40/x
  3. Step 3: Cross multiply
    43,841,750.80x = 65,762,626.20 × 21,124,944.40
  4. Step 4: Simplify right side
    43,841,750.80x = 1,389,231,822,072,983.25
  5. Step 5: Solve for x
    x = 1,389,231,822,072,983.25/43,841,750.80
  6. Step 6: Final answer
    x = 31,687,416.60

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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.