Home / 72,343,455,161.54-108,527,545,506.89-29,825,109,728.09

Finding the Fourth Proportional to 72,343,455,161.54, 108,527,545,506.89 and 29,825,109,728.09

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Solution

The fourth proportional to 72,343,455,161.54, 108,527,545,506.89 and 29,825,109,728.09 is: 44,742,761,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,343,455,161.54 : 108,527,545,506.89 = 29,825,109,728.09 : x
  2. Step 2: Convert to fraction form
    72,343,455,161.54/108,527,545,506.89 = 29,825,109,728.09/x
  3. Step 3: Cross multiply
    72,343,455,161.54x = 108,527,545,506.89 × 29,825,109,728.09
  4. Step 4: Simplify right side
    72,343,455,161.54x = 3,236,845,953,263,275,081,728
  5. Step 5: Solve for x
    x = 3,236,845,953,263,275,081,728/72,343,455,161.54
  6. Step 6: Final answer
    x = 44,742,761,401.64

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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.