Home / 102,504,905,708.68-153,701,307,021.93-81,392,970,971.06

Finding the Fourth Proportional to 102,504,905,708.68, 153,701,307,021.93 and 81,392,970,971.06

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Solution

The fourth proportional to 102,504,905,708.68, 153,701,307,021.93 and 81,392,970,971.06 is: 122,044,949,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,504,905,708.68 : 153,701,307,021.93 = 81,392,970,971.06 : x
  2. Step 2: Convert to fraction form
    102,504,905,708.68/153,701,307,021.93 = 81,392,970,971.06/x
  3. Step 3: Cross multiply
    102,504,905,708.68x = 153,701,307,021.93 × 81,392,970,971.06
  4. Step 4: Simplify right side
    102,504,905,708.68x = 12,510,206,020,649,928,884,224
  5. Step 5: Solve for x
    x = 12,510,206,020,649,928,884,224/102,504,905,708.68
  6. Step 6: Final answer
    x = 122,044,949,304.22

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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.