Home / 112,370,608.80-168,567,139.80-30,490,786.80

Finding the Fourth Proportional to 112,370,608.80, 168,567,139.80 and 30,490,786.80

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Solution

The fourth proportional to 112,370,608.80, 168,567,139.80 and 30,490,786.80 is: 45,739,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,370,608.80 : 168,567,139.80 = 30,490,786.80 : x
  2. Step 2: Convert to fraction form
    112,370,608.80/168,567,139.80 = 30,490,786.80/x
  3. Step 3: Cross multiply
    112,370,608.80x = 168,567,139.80 × 30,490,786.80
  4. Step 4: Simplify right side
    112,370,608.80x = 5,139,744,721,127,595
  5. Step 5: Solve for x
    x = 5,139,744,721,127,595/112,370,608.80
  6. Step 6: Final answer
    x = 45,739,226.44

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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.