Home / 143,975,875.70-215,963,813.55-132,890,410.10

Finding the Fourth Proportional to 143,975,875.70, 215,963,813.55 and 132,890,410.10

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Solution

The fourth proportional to 143,975,875.70, 215,963,813.55 and 132,890,410.10 is: 199,335,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,975,875.70 : 215,963,813.55 = 132,890,410.10 : x
  2. Step 2: Convert to fraction form
    143,975,875.70/215,963,813.55 = 132,890,410.10/x
  3. Step 3: Cross multiply
    143,975,875.70x = 215,963,813.55 × 132,890,410.10
  4. Step 4: Simplify right side
    143,975,875.70x = 28,699,519,749,419,436
  5. Step 5: Solve for x
    x = 28,699,519,749,419,436/143,975,875.70
  6. Step 6: Final answer
    x = 199,335,615.15

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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.