Home / 74,842,401.25-103,282,513.73-40,503,585.25

Finding the Fourth Proportional to 74,842,401.25, 103,282,513.73 and 40,503,585.25

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Solution

The fourth proportional to 74,842,401.25, 103,282,513.73 and 40,503,585.25 is: 55,894,947.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,842,401.25 : 103,282,513.73 = 40,503,585.25 : x
  2. Step 2: Convert to fraction form
    74,842,401.25/103,282,513.73 = 40,503,585.25/x
  3. Step 3: Cross multiply
    74,842,401.25x = 103,282,513.73 × 40,503,585.25
  4. Step 4: Simplify right side
    74,842,401.25x = 4,183,312,099,697,350.50
  5. Step 5: Solve for x
    x = 4,183,312,099,697,350.50/74,842,401.25
  6. Step 6: Final answer
    x = 55,894,947.65

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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.