Home / 119,753,399.20-179,630,098.80-115,050,474.40

Finding the Fourth Proportional to 119,753,399.20, 179,630,098.80 and 115,050,474.40

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Solution

The fourth proportional to 119,753,399.20, 179,630,098.80 and 115,050,474.40 is: 172,575,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,753,399.20 : 179,630,098.80 = 115,050,474.40 : x
  2. Step 2: Convert to fraction form
    119,753,399.20/179,630,098.80 = 115,050,474.40/x
  3. Step 3: Cross multiply
    119,753,399.20x = 179,630,098.80 × 115,050,474.40
  4. Step 4: Simplify right side
    119,753,399.20x = 20,666,528,083,458,872
  5. Step 5: Solve for x
    x = 20,666,528,083,458,872/119,753,399.20
  6. Step 6: Final answer
    x = 172,575,711.60

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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.