Home / 292,410,009.70-438,615,014.55-120,010,549.30

Finding the Fourth Proportional to 292,410,009.70, 438,615,014.55 and 120,010,549.30

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Solution

The fourth proportional to 292,410,009.70, 438,615,014.55 and 120,010,549.30 is: 180,015,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,410,009.70 : 438,615,014.55 = 120,010,549.30 : x
  2. Step 2: Convert to fraction form
    292,410,009.70/438,615,014.55 = 120,010,549.30/x
  3. Step 3: Cross multiply
    292,410,009.70x = 438,615,014.55 × 120,010,549.30
  4. Step 4: Simplify right side
    292,410,009.70x = 52,638,428,827,372,992
  5. Step 5: Solve for x
    x = 52,638,428,827,372,992/292,410,009.70
  6. Step 6: Final answer
    x = 180,015,823.95

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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.