Home / 263,114,765.28-363,014,902.76-153,085,220.64

Finding the Fourth Proportional to 263,114,765.28, 363,014,902.76 and 153,085,220.64

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Solution

The fourth proportional to 263,114,765.28, 363,014,902.76 and 153,085,220.64 is: 211,209,038.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,114,765.28 : 363,014,902.76 = 153,085,220.64 : x
  2. Step 2: Convert to fraction form
    263,114,765.28/363,014,902.76 = 153,085,220.64/x
  3. Step 3: Cross multiply
    263,114,765.28x = 363,014,902.76 × 153,085,220.64
  4. Step 4: Simplify right side
    263,114,765.28x = 55,572,216,484,622,736
  5. Step 5: Solve for x
    x = 55,572,216,484,622,736/263,114,765.28
  6. Step 6: Final answer
    x = 211,209,038.10

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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.