Home / 156,915,112.60-235,372,668.90-49,209,563.80

Finding the Fourth Proportional to 156,915,112.60, 235,372,668.90 and 49,209,563.80

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Solution

The fourth proportional to 156,915,112.60, 235,372,668.90 and 49,209,563.80 is: 73,814,345.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915,112.60 : 235,372,668.90 = 49,209,563.80 : x
  2. Step 2: Convert to fraction form
    156,915,112.60/235,372,668.90 = 49,209,563.80/x
  3. Step 3: Cross multiply
    156,915,112.60x = 235,372,668.90 × 49,209,563.80
  4. Step 4: Simplify right side
    156,915,112.60x = 11,582,586,367,010,826
  5. Step 5: Solve for x
    x = 11,582,586,367,010,826/156,915,112.60
  6. Step 6: Final answer
    x = 73,814,345.70

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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.