Home / 72,414,140.80-108,621,211.20-58,065,233.80

Finding the Fourth Proportional to 72,414,140.80, 108,621,211.20 and 58,065,233.80

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Solution

The fourth proportional to 72,414,140.80, 108,621,211.20 and 58,065,233.80 is: 87,097,850.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,414,140.80 : 108,621,211.20 = 58,065,233.80 : x
  2. Step 2: Convert to fraction form
    72,414,140.80/108,621,211.20 = 58,065,233.80/x
  3. Step 3: Cross multiply
    72,414,140.80x = 108,621,211.20 × 58,065,233.80
  4. Step 4: Simplify right side
    72,414,140.80x = 6,307,116,023,967,178
  5. Step 5: Solve for x
    x = 6,307,116,023,967,178/72,414,140.80
  6. Step 6: Final answer
    x = 87,097,850.70

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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.