Home / 103,206,015.60-154,809,023.40-98,423,046.60

Finding the Fourth Proportional to 103,206,015.60, 154,809,023.40 and 98,423,046.60

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Solution

The fourth proportional to 103,206,015.60, 154,809,023.40 and 98,423,046.60 is: 147,634,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,206,015.60 : 154,809,023.40 = 98,423,046.60 : x
  2. Step 2: Convert to fraction form
    103,206,015.60/154,809,023.40 = 98,423,046.60/x
  3. Step 3: Cross multiply
    103,206,015.60x = 154,809,023.40 × 98,423,046.60
  4. Step 4: Simplify right side
    103,206,015.60x = 15,236,775,724,198,690
  5. Step 5: Solve for x
    x = 15,236,775,724,198,690/103,206,015.60
  6. Step 6: Final answer
    x = 147,634,569.90

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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.