Home / 189,251,497.72-261,161,206.86-106,744,094.20

Finding the Fourth Proportional to 189,251,497.72, 261,161,206.86 and 106,744,094.20

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Solution

The fourth proportional to 189,251,497.72, 261,161,206.86 and 106,744,094.20 is: 147,303,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,251,497.72 : 261,161,206.86 = 106,744,094.20 : x
  2. Step 2: Convert to fraction form
    189,251,497.72/261,161,206.86 = 106,744,094.20/x
  3. Step 3: Cross multiply
    189,251,497.72x = 261,161,206.86 × 106,744,094.20
  4. Step 4: Simplify right side
    189,251,497.72x = 27,877,416,466,449,528
  5. Step 5: Solve for x
    x = 27,877,416,466,449,528/189,251,497.72
  6. Step 6: Final answer
    x = 147,303,544.77

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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.