Home / 110,592,083.20-165,888,124.80-81,926,636.80

Finding the Fourth Proportional to 110,592,083.20, 165,888,124.80 and 81,926,636.80

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Solution

The fourth proportional to 110,592,083.20, 165,888,124.80 and 81,926,636.80 is: 122,889,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,592,083.20 : 165,888,124.80 = 81,926,636.80 : x
  2. Step 2: Convert to fraction form
    110,592,083.20/165,888,124.80 = 81,926,636.80/x
  3. Step 3: Cross multiply
    110,592,083.20x = 165,888,124.80 × 81,926,636.80
  4. Step 4: Simplify right side
    110,592,083.20x = 13,590,656,149,922,674
  5. Step 5: Solve for x
    x = 13,590,656,149,922,674/110,592,083.20
  6. Step 6: Final answer
    x = 122,889,955.20

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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.