Home / 137,009,890.92-205,690,215.60-117,702,639.48

Finding the Fourth Proportional to 137,009,890.92, 205,690,215.60 and 117,702,639.48

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Solution

The fourth proportional to 137,009,890.92, 205,690,215.60 and 117,702,639.48 is: 176,704,624.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,009,890.92 : 205,690,215.60 = 117,702,639.48 : x
  2. Step 2: Convert to fraction form
    137,009,890.92/205,690,215.60 = 117,702,639.48/x
  3. Step 3: Cross multiply
    137,009,890.92x = 205,690,215.60 × 117,702,639.48
  4. Step 4: Simplify right side
    137,009,890.92x = 24,210,281,291,330,272
  5. Step 5: Solve for x
    x = 24,210,281,291,330,272/137,009,890.92
  6. Step 6: Final answer
    x = 176,704,624.23

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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.