Home / 131,492,427.28-196,845,416.08-79,519,739.50

Finding the Fourth Proportional to 131,492,427.28, 196,845,416.08 and 79,519,739.50

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Solution

The fourth proportional to 131,492,427.28, 196,845,416.08 and 79,519,739.50 is: 119,041,807.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,492,427.28 : 196,845,416.08 = 79,519,739.50 : x
  2. Step 2: Convert to fraction form
    131,492,427.28/196,845,416.08 = 79,519,739.50/x
  3. Step 3: Cross multiply
    131,492,427.28x = 196,845,416.08 × 79,519,739.50
  4. Step 4: Simplify right side
    131,492,427.28x = 15,653,096,207,278,788
  5. Step 5: Solve for x
    x = 15,653,096,207,278,788/131,492,427.28
  6. Step 6: Final answer
    x = 119,041,807.43

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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.