Home / 219,995,887.60-329,993,831.40-83,663,556.40

Finding the Fourth Proportional to 219,995,887.60, 329,993,831.40 and 83,663,556.40

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Solution

The fourth proportional to 219,995,887.60, 329,993,831.40 and 83,663,556.40 is: 125,495,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,995,887.60 : 329,993,831.40 = 83,663,556.40 : x
  2. Step 2: Convert to fraction form
    219,995,887.60/329,993,831.40 = 83,663,556.40/x
  3. Step 3: Cross multiply
    219,995,887.60x = 329,993,831.40 × 83,663,556.40
  4. Step 4: Simplify right side
    219,995,887.60x = 27,608,457,524,985,992
  5. Step 5: Solve for x
    x = 27,608,457,524,985,992/219,995,887.60
  6. Step 6: Final answer
    x = 125,495,334.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.