Home / 132,867,085.60-199,300,628.40-118,518,178.60

Finding the Fourth Proportional to 132,867,085.60, 199,300,628.40 and 118,518,178.60

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Solution

The fourth proportional to 132,867,085.60, 199,300,628.40 and 118,518,178.60 is: 177,777,267.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,867,085.60 : 199,300,628.40 = 118,518,178.60 : x
  2. Step 2: Convert to fraction form
    132,867,085.60/199,300,628.40 = 118,518,178.60/x
  3. Step 3: Cross multiply
    132,867,085.60x = 199,300,628.40 × 118,518,178.60
  4. Step 4: Simplify right side
    132,867,085.60x = 23,620,747,471,803,432
  5. Step 5: Solve for x
    x = 23,620,747,471,803,432/132,867,085.60
  6. Step 6: Final answer
    x = 177,777,267.90

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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.