Home / 263,603,431.89-363,772,728.14-146,128,464.45

Finding the Fourth Proportional to 263,603,431.89, 363,772,728.14 and 146,128,464.45

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Solution

The fourth proportional to 263,603,431.89, 363,772,728.14 and 146,128,464.45 is: 201,657,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,603,431.89 : 363,772,728.14 = 146,128,464.45 : x
  2. Step 2: Convert to fraction form
    263,603,431.89/363,772,728.14 = 146,128,464.45/x
  3. Step 3: Cross multiply
    263,603,431.89x = 363,772,728.14 × 146,128,464.45
  4. Step 4: Simplify right side
    263,603,431.89x = 53,157,550,171,154,856
  5. Step 5: Solve for x
    x = 53,157,550,171,154,856/263,603,431.89
  6. Step 6: Final answer
    x = 201,657,276.58

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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.