Home / 123,263,999.60-184,895,999.40-87,432,191.60

Finding the Fourth Proportional to 123,263,999.60, 184,895,999.40 and 87,432,191.60

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Solution

The fourth proportional to 123,263,999.60, 184,895,999.40 and 87,432,191.60 is: 131,148,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,263,999.60 : 184,895,999.40 = 87,432,191.60 : x
  2. Step 2: Convert to fraction form
    123,263,999.60/184,895,999.40 = 87,432,191.60/x
  3. Step 3: Cross multiply
    123,263,999.60x = 184,895,999.40 × 87,432,191.60
  4. Step 4: Simplify right side
    123,263,999.60x = 16,165,862,445,614,284
  5. Step 5: Solve for x
    x = 16,165,862,445,614,284/123,263,999.60
  6. Step 6: Final answer
    x = 131,148,287.40

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1.5x scale

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.