Home / 105,746,288.85-158,611,945.25-28,021,471.95

Finding the Fourth Proportional to 105,746,288.85, 158,611,945.25 and 28,021,471.95

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Solution

The fourth proportional to 105,746,288.85, 158,611,945.25 and 28,021,471.95 is: 42,030,223.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,746,288.85 : 158,611,945.25 = 28,021,471.95 : x
  2. Step 2: Convert to fraction form
    105,746,288.85/158,611,945.25 = 28,021,471.95/x
  3. Step 3: Cross multiply
    105,746,288.85x = 158,611,945.25 × 28,021,471.95
  4. Step 4: Simplify right side
    105,746,288.85x = 4,444,540,174,490,956.50
  5. Step 5: Solve for x
    x = 4,444,540,174,490,956.50/105,746,288.85
  6. Step 6: Final answer
    x = 42,030,223.69

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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.