Home / 55,185,122.06-76,157,818.35-30,738,829.58

Finding the Fourth Proportional to 55,185,122.06, 76,157,818.35 and 30,738,829.58

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Solution

The fourth proportional to 55,185,122.06, 76,157,818.35 and 30,738,829.58 is: 42,420,893.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,185,122.06 : 76,157,818.35 = 30,738,829.58 : x
  2. Step 2: Convert to fraction form
    55,185,122.06/76,157,818.35 = 30,738,829.58/x
  3. Step 3: Cross multiply
    55,185,122.06x = 76,157,818.35 × 30,738,829.58
  4. Step 4: Simplify right side
    55,185,122.06x = 2,341,002,199,445,246.50
  5. Step 5: Solve for x
    x = 2,341,002,199,445,246.50/55,185,122.06
  6. Step 6: Final answer
    x = 42,420,893.75

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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.