Home / 135,226,842,498.61-202,879,522,117.80-54,510,890,722.81

Finding the Fourth Proportional to 135,226,842,498.61, 202,879,522,117.80 and 54,510,890,722.81

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Solution

The fourth proportional to 135,226,842,498.61, 202,879,522,117.80 and 54,510,890,722.81 is: 81,782,161,409.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,226,842,498.61 : 202,879,522,117.80 = 54,510,890,722.81 : x
  2. Step 2: Convert to fraction form
    135,226,842,498.61/202,879,522,117.80 = 54,510,890,722.81/x
  3. Step 3: Cross multiply
    135,226,842,498.61x = 202,879,522,117.80 × 54,510,890,722.81
  4. Step 4: Simplify right side
    135,226,842,498.61x = 11,059,143,460,059,309,146,112
  5. Step 5: Solve for x
    x = 11,059,143,460,059,309,146,112/135,226,842,498.61
  6. Step 6: Final answer
    x = 81,782,161,409.06

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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.