Home / 189,275,206.24-260,963,111.28-157,958,299.36

Finding the Fourth Proportional to 189,275,206.24, 260,963,111.28 and 157,958,299.36

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Solution

The fourth proportional to 189,275,206.24, 260,963,111.28 and 157,958,299.36 is: 217,784,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,275,206.24 : 260,963,111.28 = 157,958,299.36 : x
  2. Step 2: Convert to fraction form
    189,275,206.24/260,963,111.28 = 157,958,299.36/x
  3. Step 3: Cross multiply
    189,275,206.24x = 260,963,111.28 × 157,958,299.36
  4. Step 4: Simplify right side
    189,275,206.24x = 41,221,289,253,483,240
  5. Step 5: Solve for x
    x = 41,221,289,253,483,240/189,275,206.24
  6. Step 6: Final answer
    x = 217,784,939.04

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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.