Home / 145,185,947.82-217,879,502.40-57,738,507.30

Finding the Fourth Proportional to 145,185,947.82, 217,879,502.40 and 57,738,507.30

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Solution

The fourth proportional to 145,185,947.82, 217,879,502.40 and 57,738,507.30 is: 86,647,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,185,947.82 : 217,879,502.40 = 57,738,507.30 : x
  2. Step 2: Convert to fraction form
    145,185,947.82/217,879,502.40 = 57,738,507.30/x
  3. Step 3: Cross multiply
    145,185,947.82x = 217,879,502.40 × 57,738,507.30
  4. Step 4: Simplify right side
    145,185,947.82x = 12,580,037,239,842,768
  5. Step 5: Solve for x
    x = 12,580,037,239,842,768/145,185,947.82
  6. Step 6: Final answer
    x = 86,647,760.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.