Home / 213,016,534,311.03-293,962,975,835.68-115,358,933,322.51

Finding the Fourth Proportional to 213,016,534,311.03, 293,962,975,835.68 and 115,358,933,322.51

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Solution

The fourth proportional to 213,016,534,311.03, 293,962,975,835.68 and 115,358,933,322.51 is: 159,195,413,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,016,534,311.03 : 293,962,975,835.68 = 115,358,933,322.51 : x
  2. Step 2: Convert to fraction form
    213,016,534,311.03/293,962,975,835.68 = 115,358,933,322.51/x
  3. Step 3: Cross multiply
    213,016,534,311.03x = 293,962,975,835.68 × 115,358,933,322.51
  4. Step 4: Simplify right side
    213,016,534,311.03x = 33,911,255,328,714,823,565,312
  5. Step 5: Solve for x
    x = 33,911,255,328,714,823,565,312/213,016,534,311.03
  6. Step 6: Final answer
    x = 159,195,413,813.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.