Home / 412,345,080.16-618,517,795.44-121,212,223.36

Finding the Fourth Proportional to 412,345,080.16, 618,517,795.44 and 121,212,223.36

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Solution

The fourth proportional to 412,345,080.16, 618,517,795.44 and 121,212,223.36 is: 181,818,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,345,080.16 : 618,517,795.44 = 121,212,223.36 : x
  2. Step 2: Convert to fraction form
    412,345,080.16/618,517,795.44 = 121,212,223.36/x
  3. Step 3: Cross multiply
    412,345,080.16x = 618,517,795.44 × 121,212,223.36
  4. Step 4: Simplify right side
    412,345,080.16x = 74,971,917,173,008,080
  5. Step 5: Solve for x
    x = 74,971,917,173,008,080/412,345,080.16
  6. Step 6: Final answer
    x = 181,818,386.54

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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.