Home / 202,990,290.40-280,126,871.06-110,170,798.24

Finding the Fourth Proportional to 202,990,290.40, 280,126,871.06 and 110,170,798.24

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Solution

The fourth proportional to 202,990,290.40, 280,126,871.06 and 110,170,798.24 is: 152,035,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,990,290.40 : 280,126,871.06 = 110,170,798.24 : x
  2. Step 2: Convert to fraction form
    202,990,290.40/280,126,871.06 = 110,170,798.24/x
  3. Step 3: Cross multiply
    202,990,290.40x = 280,126,871.06 × 110,170,798.24
  4. Step 4: Simplify right side
    202,990,290.40x = 30,861,800,993,153,752
  5. Step 5: Solve for x
    x = 30,861,800,993,153,752/202,990,290.40
  6. Step 6: Final answer
    x = 152,035,848.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.