Home / 186,240,890.81-279,352,049.65-69,647,675.01

Finding the Fourth Proportional to 186,240,890.81, 279,352,049.65 and 69,647,675.01

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Solution

The fourth proportional to 186,240,890.81, 279,352,049.65 and 69,647,675.01 is: 104,468,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,240,890.81 : 279,352,049.65 = 69,647,675.01 : x
  2. Step 2: Convert to fraction form
    186,240,890.81/279,352,049.65 = 69,647,675.01/x
  3. Step 3: Cross multiply
    186,240,890.81x = 279,352,049.65 × 69,647,675.01
  4. Step 4: Simplify right side
    186,240,890.81x = 19,456,220,767,052,348
  5. Step 5: Solve for x
    x = 19,456,220,767,052,348/186,240,890.81
  6. Step 6: Final answer
    x = 104,468,039.66

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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.