Home / 190,758,017.61-263,231,055.58-108,251,802.09

Finding the Fourth Proportional to 190,758,017.61, 263,231,055.58 and 108,251,802.09

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Solution

The fourth proportional to 190,758,017.61, 263,231,055.58 and 108,251,802.09 is: 149,378,969.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,758,017.61 : 263,231,055.58 = 108,251,802.09 : x
  2. Step 2: Convert to fraction form
    190,758,017.61/263,231,055.58 = 108,251,802.09/x
  3. Step 3: Cross multiply
    190,758,017.61x = 263,231,055.58 × 108,251,802.09
  4. Step 4: Simplify right side
    190,758,017.61x = 28,495,236,132,587,952
  5. Step 5: Solve for x
    x = 28,495,236,132,587,952/190,758,017.61
  6. Step 6: Final answer
    x = 149,378,969.70

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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.