Home / 70,203,207.60-105,304,811.40-36,190,983.60

Finding the Fourth Proportional to 70,203,207.60, 105,304,811.40 and 36,190,983.60

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Solution

The fourth proportional to 70,203,207.60, 105,304,811.40 and 36,190,983.60 is: 54,286,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,203,207.60 : 105,304,811.40 = 36,190,983.60 : x
  2. Step 2: Convert to fraction form
    70,203,207.60/105,304,811.40 = 36,190,983.60/x
  3. Step 3: Cross multiply
    70,203,207.60x = 105,304,811.40 × 36,190,983.60
  4. Step 4: Simplify right side
    70,203,207.60x = 3,811,084,702,378,493.50
  5. Step 5: Solve for x
    x = 3,811,084,702,378,493.50/70,203,207.60
  6. Step 6: Final answer
    x = 54,286,475.40

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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.