Home / 74,644,917.60-111,967,376.40-31,562,767.20

Finding the Fourth Proportional to 74,644,917.60, 111,967,376.40 and 31,562,767.20

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Solution

The fourth proportional to 74,644,917.60, 111,967,376.40 and 31,562,767.20 is: 47,344,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,644,917.60 : 111,967,376.40 = 31,562,767.20 : x
  2. Step 2: Convert to fraction form
    74,644,917.60/111,967,376.40 = 31,562,767.20/x
  3. Step 3: Cross multiply
    74,644,917.60x = 111,967,376.40 × 31,562,767.20
  4. Step 4: Simplify right side
    74,644,917.60x = 3,534,000,235,307,974
  5. Step 5: Solve for x
    x = 3,534,000,235,307,974/74,644,917.60
  6. Step 6: Final answer
    x = 47,344,150.80

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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.