Home / 43,686,009.20-65,529,013.80-42,835,703.60

Finding the Fourth Proportional to 43,686,009.20, 65,529,013.80 and 42,835,703.60

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Solution

The fourth proportional to 43,686,009.20, 65,529,013.80 and 42,835,703.60 is: 64,253,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,686,009.20 : 65,529,013.80 = 42,835,703.60 : x
  2. Step 2: Convert to fraction form
    43,686,009.20/65,529,013.80 = 42,835,703.60/x
  3. Step 3: Cross multiply
    43,686,009.20x = 65,529,013.80 × 42,835,703.60
  4. Step 4: Simplify right side
    43,686,009.20x = 2,806,981,412,337,109.50
  5. Step 5: Solve for x
    x = 2,806,981,412,337,109.50/43,686,009.20
  6. Step 6: Final answer
    x = 64,253,555.40

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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.