Home / 38,522,500.02-53,159,898.24-21,118,250.34

Finding the Fourth Proportional to 38,522,500.02, 53,159,898.24 and 21,118,250.34

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Solution

The fourth proportional to 38,522,500.02, 53,159,898.24 and 21,118,250.34 is: 29,142,554.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,522,500.02 : 53,159,898.24 = 21,118,250.34 : x
  2. Step 2: Convert to fraction form
    38,522,500.02/53,159,898.24 = 21,118,250.34/x
  3. Step 3: Cross multiply
    38,522,500.02x = 53,159,898.24 × 21,118,250.34
  4. Step 4: Simplify right side
    38,522,500.02x = 1,122,644,039,081,245.50
  5. Step 5: Solve for x
    x = 1,122,644,039,081,245.50/38,522,500.02
  6. Step 6: Final answer
    x = 29,142,554.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.