Home / 210,029,582.80-314,540,489.40-102,198,235.60

Finding the Fourth Proportional to 210,029,582.80, 314,540,489.40 and 102,198,235.60

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Solution

The fourth proportional to 210,029,582.80, 314,540,489.40 and 102,198,235.60 is: 153,052,168.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,029,582.80 : 314,540,489.40 = 102,198,235.60 : x
  2. Step 2: Convert to fraction form
    210,029,582.80/314,540,489.40 = 102,198,235.60/x
  3. Step 3: Cross multiply
    210,029,582.80x = 314,540,489.40 × 102,198,235.60
  4. Step 4: Simplify right side
    210,029,582.80x = 32,145,483,041,440,500
  5. Step 5: Solve for x
    x = 32,145,483,041,440,500/210,029,582.80
  6. Step 6: Final answer
    x = 153,052,168.24

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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.