Home / 172,415,938.40-258,661,232.40-51,259,637.60

Finding the Fourth Proportional to 172,415,938.40, 258,661,232.40 and 51,259,637.60

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Solution

The fourth proportional to 172,415,938.40, 258,661,232.40 and 51,259,637.60 is: 76,900,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,415,938.40 : 258,661,232.40 = 51,259,637.60 : x
  2. Step 2: Convert to fraction form
    172,415,938.40/258,661,232.40 = 51,259,637.60/x
  3. Step 3: Cross multiply
    172,415,938.40x = 258,661,232.40 × 51,259,637.60
  4. Step 4: Simplify right side
    172,415,938.40x = 13,258,881,033,993,378
  5. Step 5: Solve for x
    x = 13,258,881,033,993,378/172,415,938.40
  6. Step 6: Final answer
    x = 76,900,553.15

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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.