Home / 115,103,981.04-172,778,880.96-49,557,579

Finding the Fourth Proportional to 115,103,981.04, 172,778,880.96 and 49,557,579

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Solution

The fourth proportional to 115,103,981.04, 172,778,880.96 and 49,557,579 is: 74,389,286.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,103,981.04 : 172,778,880.96 = 49,557,579 : x
  2. Step 2: Convert to fraction form
    115,103,981.04/172,778,880.96 = 49,557,579/x
  3. Step 3: Cross multiply
    115,103,981.04x = 172,778,880.96 × 49,557,579
  4. Step 4: Simplify right side
    115,103,981.04x = 8,562,503,042,706,796
  5. Step 5: Solve for x
    x = 8,562,503,042,706,796/115,103,981.04
  6. Step 6: Final answer
    x = 74,389,286.67

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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.