Home / 128,485,659,544.38-177,314,462,441.02-70,616,090,577.06

Finding the Fourth Proportional to 128,485,659,544.38, 177,314,462,441.02 and 70,616,090,577.06

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Solution

The fourth proportional to 128,485,659,544.38, 177,314,462,441.02 and 70,616,090,577.06 is: 97,452,542,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,485,659,544.38 : 177,314,462,441.02 = 70,616,090,577.06 : x
  2. Step 2: Convert to fraction form
    128,485,659,544.38/177,314,462,441.02 = 70,616,090,577.06/x
  3. Step 3: Cross multiply
    128,485,659,544.38x = 177,314,462,441.02 × 70,616,090,577.06
  4. Step 4: Simplify right side
    128,485,659,544.38x = 12,521,254,140,357,770,215,424
  5. Step 5: Solve for x
    x = 12,521,254,140,357,770,215,424/128,485,659,544.38
  6. Step 6: Final answer
    x = 97,452,542,056.13

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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.