Home / 298,682,812.40-448,087,204.20-126,070,775.60

Finding the Fourth Proportional to 298,682,812.40, 448,087,204.20 and 126,070,775.60

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Solution

The fourth proportional to 298,682,812.40, 448,087,204.20 and 126,070,775.60 is: 189,132,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,682,812.40 : 448,087,204.20 = 126,070,775.60 : x
  2. Step 2: Convert to fraction form
    298,682,812.40/448,087,204.20 = 126,070,775.60/x
  3. Step 3: Cross multiply
    298,682,812.40x = 448,087,204.20 × 126,070,775.60
  4. Step 4: Simplify right side
    298,682,812.40x = 56,490,701,369,929,576
  5. Step 5: Solve for x
    x = 56,490,701,369,929,576/298,682,812.40
  6. Step 6: Final answer
    x = 189,132,748.94

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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.