Home / 111,667,515.03-154,218,655.22-99,494,731.35

Finding the Fourth Proportional to 111,667,515.03, 154,218,655.22 and 99,494,731.35

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Solution

The fourth proportional to 111,667,515.03, 154,218,655.22 and 99,494,731.35 is: 137,407,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,667,515.03 : 154,218,655.22 = 99,494,731.35 : x
  2. Step 2: Convert to fraction form
    111,667,515.03/154,218,655.22 = 99,494,731.35/x
  3. Step 3: Cross multiply
    111,667,515.03x = 154,218,655.22 × 99,494,731.35
  4. Step 4: Simplify right side
    111,667,515.03x = 15,343,943,669,774,700
  5. Step 5: Solve for x
    x = 15,343,943,669,774,700/111,667,515.03
  6. Step 6: Final answer
    x = 137,407,406.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.