Home / 84,889,128.60-127,144,736.10-73,551,720.60

Finding the Fourth Proportional to 84,889,128.60, 127,144,736.10 and 73,551,720.60

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Solution

The fourth proportional to 84,889,128.60, 127,144,736.10 and 73,551,720.60 is: 110,163,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,889,128.60 : 127,144,736.10 = 73,551,720.60 : x
  2. Step 2: Convert to fraction form
    84,889,128.60/127,144,736.10 = 73,551,720.60/x
  3. Step 3: Cross multiply
    84,889,128.60x = 127,144,736.10 × 73,551,720.60
  4. Step 4: Simplify right side
    84,889,128.60x = 9,351,714,105,387,932
  5. Step 5: Solve for x
    x = 9,351,714,105,387,932/84,889,128.60
  6. Step 6: Final answer
    x = 110,163,860.32

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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.