Home / 252,665,630.60-378,998,445.90-70,912,808.60

Finding the Fourth Proportional to 252,665,630.60, 378,998,445.90 and 70,912,808.60

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Solution

The fourth proportional to 252,665,630.60, 378,998,445.90 and 70,912,808.60 is: 106,369,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,665,630.60 : 378,998,445.90 = 70,912,808.60 : x
  2. Step 2: Convert to fraction form
    252,665,630.60/378,998,445.90 = 70,912,808.60/x
  3. Step 3: Cross multiply
    252,665,630.60x = 378,998,445.90 × 70,912,808.60
  4. Step 4: Simplify right side
    252,665,630.60x = 26,875,844,253,804,152
  5. Step 5: Solve for x
    x = 26,875,844,253,804,152/252,665,630.60
  6. Step 6: Final answer
    x = 106,369,212.90

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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.