Home / 143,488,187.80-215,232,281.70-135,552,002.20

Finding the Fourth Proportional to 143,488,187.80, 215,232,281.70 and 135,552,002.20

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Solution

The fourth proportional to 143,488,187.80, 215,232,281.70 and 135,552,002.20 is: 203,328,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,488,187.80 : 215,232,281.70 = 135,552,002.20 : x
  2. Step 2: Convert to fraction form
    143,488,187.80/215,232,281.70 = 135,552,002.20/x
  3. Step 3: Cross multiply
    143,488,187.80x = 215,232,281.70 × 135,552,002.20
  4. Step 4: Simplify right side
    143,488,187.80x = 29,175,166,722,509,416
  5. Step 5: Solve for x
    x = 29,175,166,722,509,416/143,488,187.80
  6. Step 6: Final answer
    x = 203,328,003.30

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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.