Home / 55,498,587,343.55-76,586,068,921.35-31,412,091,815.36

Finding the Fourth Proportional to 55,498,587,343.55, 76,586,068,921.35 and 31,412,091,815.36

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Solution

The fourth proportional to 55,498,587,343.55, 76,586,068,921.35 and 31,412,091,815.36 is: 43,347,565,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,498,587,343.55 : 76,586,068,921.35 = 31,412,091,815.36 : x
  2. Step 2: Convert to fraction form
    55,498,587,343.55/76,586,068,921.35 = 31,412,091,815.36/x
  3. Step 3: Cross multiply
    55,498,587,343.55x = 76,586,068,921.35 × 31,412,091,815.36
  4. Step 4: Simplify right side
    55,498,587,343.55x = 2,405,728,628,735,061,000,192
  5. Step 5: Solve for x
    x = 2,405,728,628,735,061,000,192/55,498,587,343.55
  6. Step 6: Final answer
    x = 43,347,565,116.26

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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.