Home / 199,290,079.60-298,982,358.60-102,260,762.80

Finding the Fourth Proportional to 199,290,079.60, 298,982,358.60 and 102,260,762.80

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Solution

The fourth proportional to 199,290,079.60, 298,982,358.60 and 102,260,762.80 is: 153,415,383.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,290,079.60 : 298,982,358.60 = 102,260,762.80 : x
  2. Step 2: Convert to fraction form
    199,290,079.60/298,982,358.60 = 102,260,762.80/x
  3. Step 3: Cross multiply
    199,290,079.60x = 298,982,358.60 × 102,260,762.80
  4. Step 4: Simplify right side
    199,290,079.60x = 30,574,164,054,179,140
  5. Step 5: Solve for x
    x = 30,574,164,054,179,140/199,290,079.60
  6. Step 6: Final answer
    x = 153,415,383.82

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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.