Home / 43,459,567.80-65,189,351.70-42,821,838.60

Finding the Fourth Proportional to 43,459,567.80, 65,189,351.70 and 42,821,838.60

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Solution

The fourth proportional to 43,459,567.80, 65,189,351.70 and 42,821,838.60 is: 64,232,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,459,567.80 : 65,189,351.70 = 42,821,838.60 : x
  2. Step 2: Convert to fraction form
    43,459,567.80/65,189,351.70 = 42,821,838.60/x
  3. Step 3: Cross multiply
    43,459,567.80x = 65,189,351.70 × 42,821,838.60
  4. Step 4: Simplify right side
    43,459,567.80x = 2,791,527,896,936,036
  5. Step 5: Solve for x
    x = 2,791,527,896,936,036/43,459,567.80
  6. Step 6: Final answer
    x = 64,232,757.90

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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.