Home / 199,363,445.40-299,045,168.10-172,489,589.40

Finding the Fourth Proportional to 199,363,445.40, 299,045,168.10 and 172,489,589.40

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Solution

The fourth proportional to 199,363,445.40, 299,045,168.10 and 172,489,589.40 is: 258,734,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,363,445.40 : 299,045,168.10 = 172,489,589.40 : x
  2. Step 2: Convert to fraction form
    199,363,445.40/299,045,168.10 = 172,489,589.40/x
  3. Step 3: Cross multiply
    199,363,445.40x = 299,045,168.10 × 172,489,589.40
  4. Step 4: Simplify right side
    199,363,445.40x = 51,582,178,257,622,984
  5. Step 5: Solve for x
    x = 51,582,178,257,622,984/199,363,445.40
  6. Step 6: Final answer
    x = 258,734,384.10

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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.