Home / 312,062,662.16-430,645,398.86-179,903,028.54

Finding the Fourth Proportional to 312,062,662.16, 430,645,398.86 and 179,903,028.54

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Solution

The fourth proportional to 312,062,662.16, 430,645,398.86 and 179,903,028.54 is: 248,265,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,062,662.16 : 430,645,398.86 = 179,903,028.54 : x
  2. Step 2: Convert to fraction form
    312,062,662.16/430,645,398.86 = 179,903,028.54/x
  3. Step 3: Cross multiply
    312,062,662.16x = 430,645,398.86 × 179,903,028.54
  4. Step 4: Simplify right side
    312,062,662.16x = 77,474,411,480,830,752
  5. Step 5: Solve for x
    x = 77,474,411,480,830,752/312,062,662.16
  6. Step 6: Final answer
    x = 248,265,559.70

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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.