Home / 220,861,479.09-304,802,477.75-121,742,003.26

Finding the Fourth Proportional to 220,861,479.09, 304,802,477.75 and 121,742,003.26

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Solution

The fourth proportional to 220,861,479.09, 304,802,477.75 and 121,742,003.26 is: 168,011,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,861,479.09 : 304,802,477.75 = 121,742,003.26 : x
  2. Step 2: Convert to fraction form
    220,861,479.09/304,802,477.75 = 121,742,003.26/x
  3. Step 3: Cross multiply
    220,861,479.09x = 304,802,477.75 × 121,742,003.26
  4. Step 4: Simplify right side
    220,861,479.09x = 37,107,264,239,896,576
  5. Step 5: Solve for x
    x = 37,107,264,239,896,576/220,861,479.09
  6. Step 6: Final answer
    x = 168,011,481.19

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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.