Home / 165,653,567.07-228,600,059.88-90,298,243.62

Finding the Fourth Proportional to 165,653,567.07, 228,600,059.88 and 90,298,243.62

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Solution

The fourth proportional to 165,653,567.07, 228,600,059.88 and 90,298,243.62 is: 124,610,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,653,567.07 : 228,600,059.88 = 90,298,243.62 : x
  2. Step 2: Convert to fraction form
    165,653,567.07/228,600,059.88 = 90,298,243.62/x
  3. Step 3: Cross multiply
    165,653,567.07x = 228,600,059.88 × 90,298,243.62
  4. Step 4: Simplify right side
    165,653,567.07x = 20,642,183,898,590,828
  5. Step 5: Solve for x
    x = 20,642,183,898,590,828/165,653,567.07
  6. Step 6: Final answer
    x = 124,610,560.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.