Home / 74,354,214.48-111,574,974.12-31,220,100.96

Finding the Fourth Proportional to 74,354,214.48, 111,574,974.12 and 31,220,100.96

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Solution

The fourth proportional to 74,354,214.48, 111,574,974.12 and 31,220,100.96 is: 46,848,480.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,354,214.48 : 111,574,974.12 = 31,220,100.96 : x
  2. Step 2: Convert to fraction form
    74,354,214.48/111,574,974.12 = 31,220,100.96/x
  3. Step 3: Cross multiply
    74,354,214.48x = 111,574,974.12 × 31,220,100.96
  4. Step 4: Simplify right side
    74,354,214.48x = 3,483,381,956,635,787.50
  5. Step 5: Solve for x
    x = 3,483,381,956,635,787.50/74,354,214.48
  6. Step 6: Final answer
    x = 46,848,480.36

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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.