Home / 76,494,981.30-105,559,995.87-41,686,920.15

Finding the Fourth Proportional to 76,494,981.30, 105,559,995.87 and 41,686,920.15

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Solution

The fourth proportional to 76,494,981.30, 105,559,995.87 and 41,686,920.15 is: 57,526,272.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,494,981.30 : 105,559,995.87 = 41,686,920.15 : x
  2. Step 2: Convert to fraction form
    76,494,981.30/105,559,995.87 = 41,686,920.15/x
  3. Step 3: Cross multiply
    76,494,981.30x = 105,559,995.87 × 41,686,920.15
  4. Step 4: Simplify right side
    76,494,981.30x = 4,400,471,118,867,020
  5. Step 5: Solve for x
    x = 4,400,471,118,867,020/76,494,981.30
  6. Step 6: Final answer
    x = 57,526,272.23

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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.