Home / 129,303,736.20-194,050,082.70-91,039,984.20

Finding the Fourth Proportional to 129,303,736.20, 194,050,082.70 and 91,039,984.20

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Solution

The fourth proportional to 129,303,736.20, 194,050,082.70 and 91,039,984.20 is: 136,626,496.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,303,736.20 : 194,050,082.70 = 91,039,984.20 : x
  2. Step 2: Convert to fraction form
    129,303,736.20/194,050,082.70 = 91,039,984.20/x
  3. Step 3: Cross multiply
    129,303,736.20x = 194,050,082.70 × 91,039,984.20
  4. Step 4: Simplify right side
    129,303,736.20x = 17,666,316,463,016,692
  5. Step 5: Solve for x
    x = 17,666,316,463,016,692/129,303,736.20
  6. Step 6: Final answer
    x = 136,626,496.51

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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.