Home / 292,296,859.20-403,369,664.40-161,916,667.20

Finding the Fourth Proportional to 292,296,859.20, 403,369,664.40 and 161,916,667.20

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Solution

The fourth proportional to 292,296,859.20, 403,369,664.40 and 161,916,667.20 is: 223,445,000.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,296,859.20 : 403,369,664.40 = 161,916,667.20 : x
  2. Step 2: Convert to fraction form
    292,296,859.20/403,369,664.40 = 161,916,667.20/x
  3. Step 3: Cross multiply
    292,296,859.20x = 403,369,664.40 × 161,916,667.20
  4. Step 4: Simplify right side
    292,296,859.20x = 65,312,271,709,230,480
  5. Step 5: Solve for x
    x = 65,312,271,709,230,480/292,296,859.20
  6. Step 6: Final answer
    x = 223,445,000.02

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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.