Home / 172,387,029.60-258,706,515.60-121,368,693.60

Finding the Fourth Proportional to 172,387,029.60, 258,706,515.60 and 121,368,693.60

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Solution

The fourth proportional to 172,387,029.60, 258,706,515.60 and 121,368,693.60 is: 182,141,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,387,029.60 : 258,706,515.60 = 121,368,693.60 : x
  2. Step 2: Convert to fraction form
    172,387,029.60/258,706,515.60 = 121,368,693.60/x
  3. Step 3: Cross multiply
    172,387,029.60x = 258,706,515.60 × 121,368,693.60
  4. Step 4: Simplify right side
    172,387,029.60x = 31,398,871,824,180,016
  5. Step 5: Solve for x
    x = 31,398,871,824,180,016/172,387,029.60
  6. Step 6: Final answer
    x = 182,141,730.14

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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.