Home / 103,019,856.80-154,529,785.20-26,348,885.60

Finding the Fourth Proportional to 103,019,856.80, 154,529,785.20 and 26,348,885.60

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Solution

The fourth proportional to 103,019,856.80, 154,529,785.20 and 26,348,885.60 is: 39,523,328.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,019,856.80 : 154,529,785.20 = 26,348,885.60 : x
  2. Step 2: Convert to fraction form
    103,019,856.80/154,529,785.20 = 26,348,885.60/x
  3. Step 3: Cross multiply
    103,019,856.80x = 154,529,785.20 × 26,348,885.60
  4. Step 4: Simplify right side
    103,019,856.80x = 4,071,687,632,027,373
  5. Step 5: Solve for x
    x = 4,071,687,632,027,373/103,019,856.80
  6. Step 6: Final answer
    x = 39,523,328.40

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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.