Home / 97,100,086.40-145,461,172.80-53,891,964.80

Finding the Fourth Proportional to 97,100,086.40, 145,461,172.80 and 53,891,964.80

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Solution

The fourth proportional to 97,100,086.40, 145,461,172.80 and 53,891,964.80 is: 80,733,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,100,086.40 : 145,461,172.80 = 53,891,964.80 : x
  2. Step 2: Convert to fraction form
    97,100,086.40/145,461,172.80 = 53,891,964.80/x
  3. Step 3: Cross multiply
    97,100,086.40x = 145,461,172.80 × 53,891,964.80
  4. Step 4: Simplify right side
    97,100,086.40x = 7,839,188,404,304,318
  5. Step 5: Solve for x
    x = 7,839,188,404,304,318/97,100,086.40
  6. Step 6: Final answer
    x = 80,733,073.42

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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.