Home / 185,375,009.60-278,112,280.80-165,319,150.40

Finding the Fourth Proportional to 185,375,009.60, 278,112,280.80 and 165,319,150.40

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Solution

The fourth proportional to 185,375,009.60, 278,112,280.80 and 165,319,150.40 is: 248,023,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,375,009.60 : 278,112,280.80 = 165,319,150.40 : x
  2. Step 2: Convert to fraction form
    185,375,009.60/278,112,280.80 = 165,319,150.40/x
  3. Step 3: Cross multiply
    185,375,009.60x = 278,112,280.80 × 165,319,150.40
  4. Step 4: Simplify right side
    185,375,009.60x = 45,977,285,977,662,232
  5. Step 5: Solve for x
    x = 45,977,285,977,662,232/185,375,009.60
  6. Step 6: Final answer
    x = 248,023,107.74

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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.