Home / 146,450,236.56-202,087,969.56-86,901,272.16

Finding the Fourth Proportional to 146,450,236.56, 202,087,969.56 and 86,901,272.16

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Solution

The fourth proportional to 146,450,236.56, 202,087,969.56 and 86,901,272.16 is: 119,915,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,450,236.56 : 202,087,969.56 = 86,901,272.16 : x
  2. Step 2: Convert to fraction form
    146,450,236.56/202,087,969.56 = 86,901,272.16/x
  3. Step 3: Cross multiply
    146,450,236.56x = 202,087,969.56 × 86,901,272.16
  4. Step 4: Simplify right side
    146,450,236.56x = 17,561,701,642,995,354
  5. Step 5: Solve for x
    x = 17,561,701,642,995,354/146,450,236.56
  6. Step 6: Final answer
    x = 119,915,829.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.