Home / 172,440,581,061.60-258,660,871,592.40-98,139,743,992.80

Finding the Fourth Proportional to 172,440,581,061.60, 258,660,871,592.40 and 98,139,743,992.80

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Solution

The fourth proportional to 172,440,581,061.60, 258,660,871,592.40 and 98,139,743,992.80 is: 147,209,615,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,440,581,061.60 : 258,660,871,592.40 = 98,139,743,992.80 : x
  2. Step 2: Convert to fraction form
    172,440,581,061.60/258,660,871,592.40 = 98,139,743,992.80/x
  3. Step 3: Cross multiply
    172,440,581,061.60x = 258,660,871,592.40 × 98,139,743,992.80
  4. Step 4: Simplify right side
    172,440,581,061.60x = 25,384,911,719,032,650,989,568
  5. Step 5: Solve for x
    x = 25,384,911,719,032,650,989,568/172,440,581,061.60
  6. Step 6: Final answer
    x = 147,209,615,989.20

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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.