Home / 110,779,406.52-166,020,576.36-86,216,992.68

Finding the Fourth Proportional to 110,779,406.52, 166,020,576.36 and 86,216,992.68

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Solution

The fourth proportional to 110,779,406.52, 166,020,576.36 and 86,216,992.68 is: 129,209,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,406.52 : 166,020,576.36 = 86,216,992.68 : x
  2. Step 2: Convert to fraction form
    110,779,406.52/166,020,576.36 = 86,216,992.68/x
  3. Step 3: Cross multiply
    110,779,406.52x = 166,020,576.36 × 86,216,992.68
  4. Step 4: Simplify right side
    110,779,406.52x = 14,313,794,816,759,504
  5. Step 5: Solve for x
    x = 14,313,794,816,759,504/110,779,406.52
  6. Step 6: Final answer
    x = 129,209,888.97

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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.