Home / 272,045,651.70-408,068,477.55-261,464,070.90

Finding the Fourth Proportional to 272,045,651.70, 408,068,477.55 and 261,464,070.90

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Solution

The fourth proportional to 272,045,651.70, 408,068,477.55 and 261,464,070.90 is: 392,196,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,045,651.70 : 408,068,477.55 = 261,464,070.90 : x
  2. Step 2: Convert to fraction form
    272,045,651.70/408,068,477.55 = 261,464,070.90/x
  3. Step 3: Cross multiply
    272,045,651.70x = 408,068,477.55 × 261,464,070.90
  4. Step 4: Simplify right side
    272,045,651.70x = 106,695,245,346,188,256
  5. Step 5: Solve for x
    x = 106,695,245,346,188,256/272,045,651.70
  6. Step 6: Final answer
    x = 392,196,106.35

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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.