Home / 292,410,003.70-438,615,005.55-120,010,543.30

Finding the Fourth Proportional to 292,410,003.70, 438,615,005.55 and 120,010,543.30

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Solution

The fourth proportional to 292,410,003.70, 438,615,005.55 and 120,010,543.30 is: 180,015,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,410,003.70 : 438,615,005.55 = 120,010,543.30 : x
  2. Step 2: Convert to fraction form
    292,410,003.70/438,615,005.55 = 120,010,543.30/x
  3. Step 3: Cross multiply
    292,410,003.70x = 438,615,005.55 × 120,010,543.30
  4. Step 4: Simplify right side
    292,410,003.70x = 52,638,425,115,588,016
  5. Step 5: Solve for x
    x = 52,638,425,115,588,016/292,410,003.70
  6. Step 6: Final answer
    x = 180,015,814.95

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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.