Home / 292,213,408.21-438,320,000.53-117,336,389.77

Finding the Fourth Proportional to 292,213,408.21, 438,320,000.53 and 117,336,389.77

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Solution

The fourth proportional to 292,213,408.21, 438,320,000.53 and 117,336,389.77 is: 176,004,539.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,213,408.21 : 438,320,000.53 = 117,336,389.77 : x
  2. Step 2: Convert to fraction form
    292,213,408.21/438,320,000.53 = 117,336,389.77/x
  3. Step 3: Cross multiply
    292,213,408.21x = 438,320,000.53 × 117,336,389.77
  4. Step 4: Simplify right side
    292,213,408.21x = 51,430,886,426,869,256
  5. Step 5: Solve for x
    x = 51,430,886,426,869,256/292,213,408.21
  6. Step 6: Final answer
    x = 176,004,539.77

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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.