Home / 105,923,285.79-158,881,991.61-28,200,856.59

Finding the Fourth Proportional to 105,923,285.79, 158,881,991.61 and 28,200,856.59

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Solution

The fourth proportional to 105,923,285.79, 158,881,991.61 and 28,200,856.59 is: 42,300,502.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,923,285.79 : 158,881,991.61 = 28,200,856.59 : x
  2. Step 2: Convert to fraction form
    105,923,285.79/158,881,991.61 = 28,200,856.59/x
  3. Step 3: Cross multiply
    105,923,285.79x = 158,881,991.61 × 28,200,856.59
  4. Step 4: Simplify right side
    105,923,285.79x = 4,480,608,260,127,193.50
  5. Step 5: Solve for x
    x = 4,480,608,260,127,193.50/105,923,285.79
  6. Step 6: Final answer
    x = 42,300,502.92

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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.