Home / 175,488,958.15-242,427,017.24-140,160,379.76

Finding the Fourth Proportional to 175,488,958.15, 242,427,017.24 and 140,160,379.76

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Solution

The fourth proportional to 175,488,958.15, 242,427,017.24 and 140,160,379.76 is: 193,622,796.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,488,958.15 : 242,427,017.24 = 140,160,379.76 : x
  2. Step 2: Convert to fraction form
    175,488,958.15/242,427,017.24 = 140,160,379.76/x
  3. Step 3: Cross multiply
    175,488,958.15x = 242,427,017.24 × 140,160,379.76
  4. Step 4: Simplify right side
    175,488,958.15x = 33,978,662,799,964,232
  5. Step 5: Solve for x
    x = 33,978,662,799,964,232/175,488,958.15
  6. Step 6: Final answer
    x = 193,622,796.32

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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.