Home / 110,779,583.58-166,020,838.79-86,217,167.88

Finding the Fourth Proportional to 110,779,583.58, 166,020,838.79 and 86,217,167.88

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Solution

The fourth proportional to 110,779,583.58, 166,020,838.79 and 86,217,167.88 is: 129,210,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,779,583.58 : 166,020,838.79 = 86,217,167.88 : x
  2. Step 2: Convert to fraction form
    110,779,583.58/166,020,838.79 = 86,217,167.88/x
  3. Step 3: Cross multiply
    110,779,583.58x = 166,020,838.79 × 86,217,167.88
  4. Step 4: Simplify right side
    110,779,583.58x = 14,313,846,529,104,760
  5. Step 5: Solve for x
    x = 14,313,846,529,104,760/110,779,583.58
  6. Step 6: Final answer
    x = 129,210,149.26

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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.