Home / 148,445,650.20-222,290,561.70-141,643,205.40

Finding the Fourth Proportional to 148,445,650.20, 222,290,561.70 and 141,643,205.40

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Solution

The fourth proportional to 148,445,650.20, 222,290,561.70 and 141,643,205.40 is: 212,104,212.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,445,650.20 : 222,290,561.70 = 141,643,205.40 : x
  2. Step 2: Convert to fraction form
    148,445,650.20/222,290,561.70 = 141,643,205.40/x
  3. Step 3: Cross multiply
    148,445,650.20x = 222,290,561.70 × 141,643,205.40
  4. Step 4: Simplify right side
    148,445,650.20x = 31,485,947,689,354,472
  5. Step 5: Solve for x
    x = 31,485,947,689,354,472/148,445,650.20
  6. Step 6: Final answer
    x = 212,104,212.19

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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.