Home / 144,465,711.40-216,724,811.10-47,394,404.20

Finding the Fourth Proportional to 144,465,711.40, 216,724,811.10 and 47,394,404.20

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Solution

The fourth proportional to 144,465,711.40, 216,724,811.10 and 47,394,404.20 is: 71,100,216.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,465,711.40 : 216,724,811.10 = 47,394,404.20 : x
  2. Step 2: Convert to fraction form
    144,465,711.40/216,724,811.10 = 47,394,404.20/x
  3. Step 3: Cross multiply
    144,465,711.40x = 216,724,811.10 × 47,394,404.20
  4. Step 4: Simplify right side
    144,465,711.40x = 10,271,543,297,442,046
  5. Step 5: Solve for x
    x = 10,271,543,297,442,046/144,465,711.40
  6. Step 6: Final answer
    x = 71,100,216.09

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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.