Home / 74,354,153.67-111,574,883.03-31,220,040.15

Finding the Fourth Proportional to 74,354,153.67, 111,574,883.03 and 31,220,040.15

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Solution

The fourth proportional to 74,354,153.67, 111,574,883.03 and 31,220,040.15 is: 46,848,389.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,354,153.67 : 111,574,883.03 = 31,220,040.15 : x
  2. Step 2: Convert to fraction form
    74,354,153.67/111,574,883.03 = 31,220,040.15/x
  3. Step 3: Cross multiply
    74,354,153.67x = 111,574,883.03 × 31,220,040.15
  4. Step 4: Simplify right side
    74,354,153.67x = 3,483,372,327,772,053.50
  5. Step 5: Solve for x
    x = 3,483,372,327,772,053.50/74,354,153.67
  6. Step 6: Final answer
    x = 46,848,389.17

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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.