Home / 93,488,066.57-140,870,223.65-76,822,076.81

Finding the Fourth Proportional to 93,488,066.57, 140,870,223.65 and 76,822,076.81

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Solution

The fourth proportional to 93,488,066.57, 140,870,223.65 and 76,822,076.81 is: 115,757,481.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,488,066.57 : 140,870,223.65 = 76,822,076.81 : x
  2. Step 2: Convert to fraction form
    93,488,066.57/140,870,223.65 = 76,822,076.81/x
  3. Step 3: Cross multiply
    93,488,066.57x = 140,870,223.65 × 76,822,076.81
  4. Step 4: Simplify right side
    93,488,066.57x = 10,821,943,140,393,718
  5. Step 5: Solve for x
    x = 10,821,943,140,393,718/93,488,066.57
  6. Step 6: Final answer
    x = 115,757,481.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.