Home / 111,851,174,066.92-154,391,404,661.26-89,030,172,809.32

Finding the Fourth Proportional to 111,851,174,066.92, 154,391,404,661.26 and 89,030,172,809.32

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Solution

The fourth proportional to 111,851,174,066.92, 154,391,404,661.26 and 89,030,172,809.32 is: 122,890,917,792.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,851,174,066.92 : 154,391,404,661.26 = 89,030,172,809.32 : x
  2. Step 2: Convert to fraction form
    111,851,174,066.92/154,391,404,661.26 = 89,030,172,809.32/x
  3. Step 3: Cross multiply
    111,851,174,066.92x = 154,391,404,661.26 × 89,030,172,809.32
  4. Step 4: Simplify right side
    111,851,174,066.92x = 13,745,493,437,265,632,821,248
  5. Step 5: Solve for x
    x = 13,745,493,437,265,632,821,248/111,851,174,066.92
  6. Step 6: Final answer
    x = 122,890,917,792.62

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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.