Home / 103,589,085.60-155,383,628.40-69,526,749.60

Finding the Fourth Proportional to 103,589,085.60, 155,383,628.40 and 69,526,749.60

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Solution

The fourth proportional to 103,589,085.60, 155,383,628.40 and 69,526,749.60 is: 104,290,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,589,085.60 : 155,383,628.40 = 69,526,749.60 : x
  2. Step 2: Convert to fraction form
    103,589,085.60/155,383,628.40 = 69,526,749.60/x
  3. Step 3: Cross multiply
    103,589,085.60x = 155,383,628.40 × 69,526,749.60
  4. Step 4: Simplify right side
    103,589,085.60x = 10,803,318,623,706,248
  5. Step 5: Solve for x
    x = 10,803,318,623,706,248/103,589,085.60
  6. Step 6: Final answer
    x = 104,290,124.40

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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.