Home / 55,245,692,485.86-76,235,925,386.61-31,158,274,420.86

Finding the Fourth Proportional to 55,245,692,485.86, 76,235,925,386.61 and 31,158,274,420.86

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Solution

The fourth proportional to 55,245,692,485.86, 76,235,925,386.61 and 31,158,274,420.86 is: 42,996,653,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,245,692,485.86 : 76,235,925,386.61 = 31,158,274,420.86 : x
  2. Step 2: Convert to fraction form
    55,245,692,485.86/76,235,925,386.61 = 31,158,274,420.86/x
  3. Step 3: Cross multiply
    55,245,692,485.86x = 76,235,925,386.61 × 31,158,274,420.86
  4. Step 4: Simplify right side
    55,245,692,485.86x = 2,375,379,883,924,202,192,896
  5. Step 5: Solve for x
    x = 2,375,379,883,924,202,192,896/55,245,692,485.86
  6. Step 6: Final answer
    x = 42,996,653,260.02

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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.