Home / 83,888,171.78-115,763,333.90-46,718,441.91

Finding the Fourth Proportional to 83,888,171.78, 115,763,333.90 and 46,718,441.91

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Solution

The fourth proportional to 83,888,171.78, 115,763,333.90 and 46,718,441.91 is: 64,470,144.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,888,171.78 : 115,763,333.90 = 46,718,441.91 : x
  2. Step 2: Convert to fraction form
    83,888,171.78/115,763,333.90 = 46,718,441.91/x
  3. Step 3: Cross multiply
    83,888,171.78x = 115,763,333.90 × 46,718,441.91
  4. Step 4: Simplify right side
    83,888,171.78x = 5,408,282,589,881,491
  5. Step 5: Solve for x
    x = 5,408,282,589,881,491/83,888,171.78
  6. Step 6: Final answer
    x = 64,470,144.90

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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.