Home / 165,863,403.51-228,896,353.60-90,514,586.60

Finding the Fourth Proportional to 165,863,403.51, 228,896,353.60 and 90,514,586.60

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Solution

The fourth proportional to 165,863,403.51, 228,896,353.60 and 90,514,586.60 is: 124,912,779.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,863,403.51 : 228,896,353.60 = 90,514,586.60 : x
  2. Step 2: Convert to fraction form
    165,863,403.51/228,896,353.60 = 90,514,586.60/x
  3. Step 3: Cross multiply
    165,863,403.51x = 228,896,353.60 × 90,514,586.60
  4. Step 4: Simplify right side
    165,863,403.51x = 20,718,458,820,351,420
  5. Step 5: Solve for x
    x = 20,718,458,820,351,420/165,863,403.51
  6. Step 6: Final answer
    x = 124,912,779.93

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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.