Home / 155,529,842.70-233,294,764.05-138,901,644.30

Finding the Fourth Proportional to 155,529,842.70, 233,294,764.05 and 138,901,644.30

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Solution

The fourth proportional to 155,529,842.70, 233,294,764.05 and 138,901,644.30 is: 208,352,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,529,842.70 : 233,294,764.05 = 138,901,644.30 : x
  2. Step 2: Convert to fraction form
    155,529,842.70/233,294,764.05 = 138,901,644.30/x
  3. Step 3: Cross multiply
    155,529,842.70x = 233,294,764.05 × 138,901,644.30
  4. Step 4: Simplify right side
    155,529,842.70x = 32,405,026,333,125,532
  5. Step 5: Solve for x
    x = 32,405,026,333,125,532/155,529,842.70
  6. Step 6: Final answer
    x = 208,352,466.45

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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.