Home / 70,446,835.20-105,769,785.60-43,572,979.20

Finding the Fourth Proportional to 70,446,835.20, 105,769,785.60 and 43,572,979.20

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Solution

The fourth proportional to 70,446,835.20, 105,769,785.60 and 43,572,979.20 is: 65,421,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,446,835.20 : 105,769,785.60 = 43,572,979.20 : x
  2. Step 2: Convert to fraction form
    70,446,835.20/105,769,785.60 = 43,572,979.20/x
  3. Step 3: Cross multiply
    70,446,835.20x = 105,769,785.60 × 43,572,979.20
  4. Step 4: Simplify right side
    70,446,835.20x = 4,608,704,667,937,260
  5. Step 5: Solve for x
    x = 4,608,704,667,937,260/70,446,835.20
  6. Step 6: Final answer
    x = 65,421,032.11

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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.