Home / 83,888,172.78-115,763,335.27-46,718,442.91

Finding the Fourth Proportional to 83,888,172.78, 115,763,335.27 and 46,718,442.91

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Solution

The fourth proportional to 83,888,172.78, 115,763,335.27 and 46,718,442.91 is: 64,470,146.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,888,172.78 : 115,763,335.27 = 46,718,442.91 : x
  2. Step 2: Convert to fraction form
    83,888,172.78/115,763,335.27 = 46,718,442.91/x
  3. Step 3: Cross multiply
    83,888,172.78x = 115,763,335.27 × 46,718,442.91
  4. Step 4: Simplify right side
    83,888,172.78x = 5,408,282,769,882,684
  5. Step 5: Solve for x
    x = 5,408,282,769,882,684/83,888,172.78
  6. Step 6: Final answer
    x = 64,470,146.28

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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.