Home / 115,525,579,918.32-159,366,626,933.40-75,451,017,112.56

Finding the Fourth Proportional to 115,525,579,918.32, 159,366,626,933.40 and 75,451,017,112.56

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Solution

The fourth proportional to 115,525,579,918.32, 159,366,626,933.40 and 75,451,017,112.56 is: 104,084,083,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,525,579,918.32 : 159,366,626,933.40 = 75,451,017,112.56 : x
  2. Step 2: Convert to fraction form
    115,525,579,918.32/159,366,626,933.40 = 75,451,017,112.56/x
  3. Step 3: Cross multiply
    115,525,579,918.32x = 159,366,626,933.40 × 75,451,017,112.56
  4. Step 4: Simplify right side
    115,525,579,918.32x = 12,024,374,095,922,927,239,168
  5. Step 5: Solve for x
    x = 12,024,374,095,922,927,239,168/115,525,579,918.32
  6. Step 6: Final answer
    x = 104,084,083,407.54

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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.