Home / 118,298,012.51-177,288,403.98-92,068,520.24

Finding the Fourth Proportional to 118,298,012.51, 177,288,403.98 and 92,068,520.24

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Solution

The fourth proportional to 118,298,012.51, 177,288,403.98 and 92,068,520.24 is: 137,979,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,298,012.51 : 177,288,403.98 = 92,068,520.24 : x
  2. Step 2: Convert to fraction form
    118,298,012.51/177,288,403.98 = 92,068,520.24/x
  3. Step 3: Cross multiply
    118,298,012.51x = 177,288,403.98 × 92,068,520.24
  4. Step 4: Simplify right side
    118,298,012.51x = 16,322,681,010,593,148
  5. Step 5: Solve for x
    x = 16,322,681,010,593,148/118,298,012.51
  6. Step 6: Final answer
    x = 137,979,334.26

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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.