Home / 260,577,287.40-390,617,099.10-96,771,181.80

Finding the Fourth Proportional to 260,577,287.40, 390,617,099.10 and 96,771,181.80

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Solution

The fourth proportional to 260,577,287.40, 390,617,099.10 and 96,771,181.80 is: 145,064,363.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,577,287.40 : 390,617,099.10 = 96,771,181.80 : x
  2. Step 2: Convert to fraction form
    260,577,287.40/390,617,099.10 = 96,771,181.80/x
  3. Step 3: Cross multiply
    260,577,287.40x = 390,617,099.10 × 96,771,181.80
  4. Step 4: Simplify right side
    260,577,287.40x = 37,800,478,311,194,720
  5. Step 5: Solve for x
    x = 37,800,478,311,194,720/260,577,287.40
  6. Step 6: Final answer
    x = 145,064,363.39

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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.