Home / 99,280,492.80-148,920,739.20-73,771,324.80

Finding the Fourth Proportional to 99,280,492.80, 148,920,739.20 and 73,771,324.80

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Solution

The fourth proportional to 99,280,492.80, 148,920,739.20 and 73,771,324.80 is: 110,656,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,280,492.80 : 148,920,739.20 = 73,771,324.80 : x
  2. Step 2: Convert to fraction form
    99,280,492.80/148,920,739.20 = 73,771,324.80/x
  3. Step 3: Cross multiply
    99,280,492.80x = 148,920,739.20 × 73,771,324.80
  4. Step 4: Simplify right side
    99,280,492.80x = 10,986,080,220,979,290
  5. Step 5: Solve for x
    x = 10,986,080,220,979,290/99,280,492.80
  6. Step 6: Final answer
    x = 110,656,987.20

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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.