Home / 292,410,002.70-438,615,004.05-120,010,542.30

Finding the Fourth Proportional to 292,410,002.70, 438,615,004.05 and 120,010,542.30

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Solution

The fourth proportional to 292,410,002.70, 438,615,004.05 and 120,010,542.30 is: 180,015,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,410,002.70 : 438,615,004.05 = 120,010,542.30 : x
  2. Step 2: Convert to fraction form
    292,410,002.70/438,615,004.05 = 120,010,542.30/x
  3. Step 3: Cross multiply
    292,410,002.70x = 438,615,004.05 × 120,010,542.30
  4. Step 4: Simplify right side
    292,410,002.70x = 52,638,424,496,957,200
  5. Step 5: Solve for x
    x = 52,638,424,496,957,200/292,410,002.70
  6. Step 6: Final answer
    x = 180,015,813.45

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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.