Home / 195,920,008.40-293,880,012.60-172,032,136.40

Finding the Fourth Proportional to 195,920,008.40, 293,880,012.60 and 172,032,136.40

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Solution

The fourth proportional to 195,920,008.40, 293,880,012.60 and 172,032,136.40 is: 258,048,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,920,008.40 : 293,880,012.60 = 172,032,136.40 : x
  2. Step 2: Convert to fraction form
    195,920,008.40/293,880,012.60 = 172,032,136.40/x
  3. Step 3: Cross multiply
    195,920,008.40x = 293,880,012.60 × 172,032,136.40
  4. Step 4: Simplify right side
    195,920,008.40x = 50,556,806,412,836,928
  5. Step 5: Solve for x
    x = 50,556,806,412,836,928/195,920,008.40
  6. Step 6: Final answer
    x = 258,048,204.60

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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.