Home / 79,687,771.85-119,428,125.20-35,936,399.45

Finding the Fourth Proportional to 79,687,771.85, 119,428,125.20 and 35,936,399.45

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Solution

The fourth proportional to 79,687,771.85, 119,428,125.20 and 35,936,399.45 is: 53,857,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,687,771.85 : 119,428,125.20 = 35,936,399.45 : x
  2. Step 2: Convert to fraction form
    79,687,771.85/119,428,125.20 = 35,936,399.45/x
  3. Step 3: Cross multiply
    79,687,771.85x = 119,428,125.20 × 35,936,399.45
  4. Step 4: Simplify right side
    79,687,771.85x = 4,291,816,813,005,461
  5. Step 5: Solve for x
    x = 4,291,816,813,005,461/79,687,771.85
  6. Step 6: Final answer
    x = 53,857,909.60

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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.