Home / 161,282,667,537.72-222,570,102,987.24-89,024,746,021.16

Finding the Fourth Proportional to 161,282,667,537.72, 222,570,102,987.24 and 89,024,746,021.16

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Solution

The fourth proportional to 161,282,667,537.72, 222,570,102,987.24 and 89,024,746,021.16 is: 122,854,161,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,282,667,537.72 : 222,570,102,987.24 = 89,024,746,021.16 : x
  2. Step 2: Convert to fraction form
    161,282,667,537.72/222,570,102,987.24 = 89,024,746,021.16/x
  3. Step 3: Cross multiply
    161,282,667,537.72x = 222,570,102,987.24 × 89,024,746,021.16
  4. Step 4: Simplify right side
    161,282,667,537.72x = 19,814,246,890,342,465,929,216
  5. Step 5: Solve for x
    x = 19,814,246,890,342,465,929,216/161,282,667,537.72
  6. Step 6: Final answer
    x = 122,854,161,534.18

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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.