Home / 74,354,115.42-111,574,825.83-31,220,001.90

Finding the Fourth Proportional to 74,354,115.42, 111,574,825.83 and 31,220,001.90

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Solution

The fourth proportional to 74,354,115.42, 111,574,825.83 and 31,220,001.90 is: 46,848,331.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,354,115.42 : 111,574,825.83 = 31,220,001.90 : x
  2. Step 2: Convert to fraction form
    74,354,115.42/111,574,825.83 = 31,220,001.90/x
  3. Step 3: Cross multiply
    74,354,115.42x = 111,574,825.83 × 31,220,001.90
  4. Step 4: Simplify right side
    74,354,115.42x = 3,483,366,274,404,769
  5. Step 5: Solve for x
    x = 3,483,366,274,404,769/74,354,115.42
  6. Step 6: Final answer
    x = 46,848,331.86

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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.