Home / 74,781,035.16-112,368,825.61-40,262,958.06

Finding the Fourth Proportional to 74,781,035.16, 112,368,825.61 and 40,262,958.06

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Solution

The fourth proportional to 74,781,035.16, 112,368,825.61 and 40,262,958.06 is: 60,500,651.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,781,035.16 : 112,368,825.61 = 40,262,958.06 : x
  2. Step 2: Convert to fraction form
    74,781,035.16/112,368,825.61 = 40,262,958.06/x
  3. Step 3: Cross multiply
    74,781,035.16x = 112,368,825.61 × 40,262,958.06
  4. Step 4: Simplify right side
    74,781,035.16x = 4,524,301,312,786,884
  5. Step 5: Solve for x
    x = 4,524,301,312,786,884/74,781,035.16
  6. Step 6: Final answer
    x = 60,500,651.04

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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.