Home / 286,856,999.60-430,285,499.40-92,907,606.65

Finding the Fourth Proportional to 286,856,999.60, 430,285,499.40 and 92,907,606.65

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Solution

The fourth proportional to 286,856,999.60, 430,285,499.40 and 92,907,606.65 is: 139,361,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,856,999.60 : 430,285,499.40 = 92,907,606.65 : x
  2. Step 2: Convert to fraction form
    286,856,999.60/430,285,499.40 = 92,907,606.65/x
  3. Step 3: Cross multiply
    286,856,999.60x = 430,285,499.40 × 92,907,606.65
  4. Step 4: Simplify right side
    286,856,999.60x = 39,976,795,925,454,008
  5. Step 5: Solve for x
    x = 39,976,795,925,454,008/286,856,999.60
  6. Step 6: Final answer
    x = 139,361,409.98

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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.