Home / 102,299,486.40-153,449,229.60-91,151,812.80

Finding the Fourth Proportional to 102,299,486.40, 153,449,229.60 and 91,151,812.80

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Solution

The fourth proportional to 102,299,486.40, 153,449,229.60 and 91,151,812.80 is: 136,727,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,299,486.40 : 153,449,229.60 = 91,151,812.80 : x
  2. Step 2: Convert to fraction form
    102,299,486.40/153,449,229.60 = 91,151,812.80/x
  3. Step 3: Cross multiply
    102,299,486.40x = 153,449,229.60 × 91,151,812.80
  4. Step 4: Simplify right side
    102,299,486.40x = 13,987,175,450,803,418
  5. Step 5: Solve for x
    x = 13,987,175,450,803,418/102,299,486.40
  6. Step 6: Final answer
    x = 136,727,719.20

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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.