Home / 131,251,496.40-196,919,303.28-91,900,740

Finding the Fourth Proportional to 131,251,496.40, 196,919,303.28 and 91,900,740

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Solution

The fourth proportional to 131,251,496.40, 196,919,303.28 and 91,900,740 is: 137,880,558.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,251,496.40 : 196,919,303.28 = 91,900,740 : x
  2. Step 2: Convert to fraction form
    131,251,496.40/196,919,303.28 = 91,900,740/x
  3. Step 3: Cross multiply
    131,251,496.40x = 196,919,303.28 × 91,900,740
  4. Step 4: Simplify right side
    131,251,496.40x = 18,097,029,691,716,428
  5. Step 5: Solve for x
    x = 18,097,029,691,716,428/131,251,496.40
  6. Step 6: Final answer
    x = 137,880,558.99

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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.