Home / 191,149,825,362.93-263,786,784,828.66-105,510,807,268.74

Finding the Fourth Proportional to 191,149,825,362.93, 263,786,784,828.66 and 105,510,807,268.74

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Solution

The fourth proportional to 191,149,825,362.93, 263,786,784,828.66 and 105,510,807,268.74 is: 145,604,928,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,149,825,362.93 : 263,786,784,828.66 = 105,510,807,268.74 : x
  2. Step 2: Convert to fraction form
    191,149,825,362.93/263,786,784,828.66 = 105,510,807,268.74/x
  3. Step 3: Cross multiply
    191,149,825,362.93x = 263,786,784,828.66 × 105,510,807,268.74
  4. Step 4: Simplify right side
    191,149,825,362.93x = 27,832,356,614,097,336,270,848
  5. Step 5: Solve for x
    x = 27,832,356,614,097,336,270,848/191,149,825,362.93
  6. Step 6: Final answer
    x = 145,604,928,287.29

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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.