Home / 157,134,759.73-216,826,318.39-91,054,057.18

Finding the Fourth Proportional to 157,134,759.73, 216,826,318.39 and 91,054,057.18

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Solution

The fourth proportional to 157,134,759.73, 216,826,318.39 and 91,054,057.18 is: 125,643,212.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,134,759.73 : 216,826,318.39 = 91,054,057.18 : x
  2. Step 2: Convert to fraction form
    157,134,759.73/216,826,318.39 = 91,054,057.18/x
  3. Step 3: Cross multiply
    157,134,759.73x = 216,826,318.39 × 91,054,057.18
  4. Step 4: Simplify right side
    157,134,759.73x = 19,742,915,992,811,944
  5. Step 5: Solve for x
    x = 19,742,915,992,811,944/157,134,759.73
  6. Step 6: Final answer
    x = 125,643,212.40

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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.