Home / 145,156,733.40-218,059,503.30-121,268,861.40

Finding the Fourth Proportional to 145,156,733.40, 218,059,503.30 and 121,268,861.40

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Solution

The fourth proportional to 145,156,733.40, 218,059,503.30 and 121,268,861.40 is: 182,174,309.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,156,733.40 : 218,059,503.30 = 121,268,861.40 : x
  2. Step 2: Convert to fraction form
    145,156,733.40/218,059,503.30 = 121,268,861.40/x
  3. Step 3: Cross multiply
    145,156,733.40x = 218,059,503.30 × 121,268,861.40
  4. Step 4: Simplify right side
    145,156,733.40x = 26,443,827,682,640,544
  5. Step 5: Solve for x
    x = 26,443,827,682,640,544/145,156,733.40
  6. Step 6: Final answer
    x = 182,174,309.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.