Home / 144,764,515.20-217,178,265.60-47,703,705.60

Finding the Fourth Proportional to 144,764,515.20, 217,178,265.60 and 47,703,705.60

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Solution

The fourth proportional to 144,764,515.20, 217,178,265.60 and 47,703,705.60 is: 71,565,936.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,764,515.20 : 217,178,265.60 = 47,703,705.60 : x
  2. Step 2: Convert to fraction form
    144,764,515.20/217,178,265.60 = 47,703,705.60/x
  3. Step 3: Cross multiply
    144,764,515.20x = 217,178,265.60 × 47,703,705.60
  4. Step 4: Simplify right side
    144,764,515.20x = 10,360,208,044,901,008
  5. Step 5: Solve for x
    x = 10,360,208,044,901,008/144,764,515.20
  6. Step 6: Final answer
    x = 71,565,936.10

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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.