Home / 103,550,869.04-155,285,936.96-38,819,354.18

Finding the Fourth Proportional to 103,550,869.04, 155,285,936.96 and 38,819,354.18

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Solution

The fourth proportional to 103,550,869.04, 155,285,936.96 and 38,819,354.18 is: 58,213,898.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,550,869.04 : 155,285,936.96 = 38,819,354.18 : x
  2. Step 2: Convert to fraction form
    103,550,869.04/155,285,936.96 = 38,819,354.18/x
  3. Step 3: Cross multiply
    103,550,869.04x = 155,285,936.96 × 38,819,354.18
  4. Step 4: Simplify right side
    103,550,869.04x = 6,028,099,786,023,393
  5. Step 5: Solve for x
    x = 6,028,099,786,023,393/103,550,869.04
  6. Step 6: Final answer
    x = 58,213,898.56

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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.