Home / 69,552,085.60-104,328,128.40-43,685,999.20

Finding the Fourth Proportional to 69,552,085.60, 104,328,128.40 and 43,685,999.20

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Solution

The fourth proportional to 69,552,085.60, 104,328,128.40 and 43,685,999.20 is: 65,528,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,552,085.60 : 104,328,128.40 = 43,685,999.20 : x
  2. Step 2: Convert to fraction form
    69,552,085.60/104,328,128.40 = 43,685,999.20/x
  3. Step 3: Cross multiply
    69,552,085.60x = 104,328,128.40 × 43,685,999.20
  4. Step 4: Simplify right side
    69,552,085.60x = 4,557,678,533,819,898
  5. Step 5: Solve for x
    x = 4,557,678,533,819,898/69,552,085.60
  6. Step 6: Final answer
    x = 65,528,998.80

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1.5x scale

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.