Home / 75,082,619.54-103,614,014.93-40,743,803.54

Finding the Fourth Proportional to 75,082,619.54, 103,614,014.93 and 40,743,803.54

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Solution

The fourth proportional to 75,082,619.54, 103,614,014.93 and 40,743,803.54 is: 56,226,448.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,082,619.54 : 103,614,014.93 = 40,743,803.54 : x
  2. Step 2: Convert to fraction form
    75,082,619.54/103,614,014.93 = 40,743,803.54/x
  3. Step 3: Cross multiply
    75,082,619.54x = 103,614,014.93 × 40,743,803.54
  4. Step 4: Simplify right side
    75,082,619.54x = 4,221,629,068,298,547
  5. Step 5: Solve for x
    x = 4,221,629,068,298,547/75,082,619.54
  6. Step 6: Final answer
    x = 56,226,448.87

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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.