Home / 111,589,180,964.72-153,988,634,182.20-65,878,180,696.88

Finding the Fourth Proportional to 111,589,180,964.72, 153,988,634,182.20 and 65,878,180,696.88

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Solution

The fourth proportional to 111,589,180,964.72, 153,988,634,182.20 and 65,878,180,696.88 is: 90,909,270,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,589,180,964.72 : 153,988,634,182.20 = 65,878,180,696.88 : x
  2. Step 2: Convert to fraction form
    111,589,180,964.72/153,988,634,182.20 = 65,878,180,696.88/x
  3. Step 3: Cross multiply
    111,589,180,964.72x = 153,988,634,182.20 × 65,878,180,696.88
  4. Step 4: Simplify right side
    111,589,180,964.72x = 10,144,491,067,920,724,525,056
  5. Step 5: Solve for x
    x = 10,144,491,067,920,724,525,056/111,589,180,964.72
  6. Step 6: Final answer
    x = 90,909,270,775.35

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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.