Home / 188,250,780.21-259,705,492.19-117,563,671.52

Finding the Fourth Proportional to 188,250,780.21, 259,705,492.19 and 117,563,671.52

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Solution

The fourth proportional to 188,250,780.21, 259,705,492.19 and 117,563,671.52 is: 162,187,541.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,250,780.21 : 259,705,492.19 = 117,563,671.52 : x
  2. Step 2: Convert to fraction form
    188,250,780.21/259,705,492.19 = 117,563,671.52/x
  3. Step 3: Cross multiply
    188,250,780.21x = 259,705,492.19 × 117,563,671.52
  4. Step 4: Simplify right side
    188,250,780.21x = 30,531,931,176,267,392
  5. Step 5: Solve for x
    x = 30,531,931,176,267,392/188,250,780.21
  6. Step 6: Final answer
    x = 162,187,541.23

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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.