Home / 98,929,514.40-148,394,271.60-68,318,512.80

Finding the Fourth Proportional to 98,929,514.40, 148,394,271.60 and 68,318,512.80

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Solution

The fourth proportional to 98,929,514.40, 148,394,271.60 and 68,318,512.80 is: 102,477,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,929,514.40 : 148,394,271.60 = 68,318,512.80 : x
  2. Step 2: Convert to fraction form
    98,929,514.40/148,394,271.60 = 68,318,512.80/x
  3. Step 3: Cross multiply
    98,929,514.40x = 148,394,271.60 × 68,318,512.80
  4. Step 4: Simplify right side
    98,929,514.40x = 10,138,075,943,751,276
  5. Step 5: Solve for x
    x = 10,138,075,943,751,276/98,929,514.40
  6. Step 6: Final answer
    x = 102,477,769.20

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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.