Home / 70,079,865.75-105,142,255.02-49,069,098

Finding the Fourth Proportional to 70,079,865.75, 105,142,255.02 and 49,069,098

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Solution

The fourth proportional to 70,079,865.75, 105,142,255.02 and 49,069,098 is: 73,619,370.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,079,865.75 : 105,142,255.02 = 49,069,098 : x
  2. Step 2: Convert to fraction form
    70,079,865.75/105,142,255.02 = 49,069,098/x
  3. Step 3: Cross multiply
    70,079,865.75x = 105,142,255.02 × 49,069,098
  4. Step 4: Simplify right side
    70,079,865.75x = 5,159,235,615,517,372
  5. Step 5: Solve for x
    x = 5,159,235,615,517,372/70,079,865.75
  6. Step 6: Final answer
    x = 73,619,370.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.