Home / 227,913,830.76-314,520,129.86-123,492,317.48

Finding the Fourth Proportional to 227,913,830.76, 314,520,129.86 and 123,492,317.48

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Solution

The fourth proportional to 227,913,830.76, 314,520,129.86 and 123,492,317.48 is: 170,418,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,913,830.76 : 314,520,129.86 = 123,492,317.48 : x
  2. Step 2: Convert to fraction form
    227,913,830.76/314,520,129.86 = 123,492,317.48/x
  3. Step 3: Cross multiply
    227,913,830.76x = 314,520,129.86 × 123,492,317.48
  4. Step 4: Simplify right side
    227,913,830.76x = 38,840,819,728,331,888
  5. Step 5: Solve for x
    x = 38,840,819,728,331,888/227,913,830.76
  6. Step 6: Final answer
    x = 170,418,879.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.