Home / 286,857,159.60-430,285,739.40-92,907,766.65

Finding the Fourth Proportional to 286,857,159.60, 430,285,739.40 and 92,907,766.65

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Solution

The fourth proportional to 286,857,159.60, 430,285,739.40 and 92,907,766.65 is: 139,361,649.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,857,159.60 : 430,285,739.40 = 92,907,766.65 : x
  2. Step 2: Convert to fraction form
    286,857,159.60/430,285,739.40 = 92,907,766.65/x
  3. Step 3: Cross multiply
    286,857,159.60x = 430,285,739.40 × 92,907,766.65
  4. Step 4: Simplify right side
    286,857,159.60x = 39,976,887,068,997,912
  5. Step 5: Solve for x
    x = 39,976,887,068,997,912/286,857,159.60
  6. Step 6: Final answer
    x = 139,361,649.98

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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.