Home / 165,374,853.52-228,220,200.42-90,023,348.32

Finding the Fourth Proportional to 165,374,853.52, 228,220,200.42 and 90,023,348.32

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Solution

The fourth proportional to 165,374,853.52, 228,220,200.42 and 90,023,348.32 is: 124,233,800.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,374,853.52 : 228,220,200.42 = 90,023,348.32 : x
  2. Step 2: Convert to fraction form
    165,374,853.52/228,220,200.42 = 90,023,348.32/x
  3. Step 3: Cross multiply
    165,374,853.52x = 228,220,200.42 × 90,023,348.32
  4. Step 4: Simplify right side
    165,374,853.52x = 20,545,146,596,069,868
  5. Step 5: Solve for x
    x = 20,545,146,596,069,868/165,374,853.52
  6. Step 6: Final answer
    x = 124,233,800.72

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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.