Home / 190,064,171.22-262,288,545.57-103,144,043.22

Finding the Fourth Proportional to 190,064,171.22, 262,288,545.57 and 103,144,043.22

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Solution

The fourth proportional to 190,064,171.22, 262,288,545.57 and 103,144,043.22 is: 142,338,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,064,171.22 : 262,288,545.57 = 103,144,043.22 : x
  2. Step 2: Convert to fraction form
    190,064,171.22/262,288,545.57 = 103,144,043.22/x
  3. Step 3: Cross multiply
    190,064,171.22x = 262,288,545.57 × 103,144,043.22
  4. Step 4: Simplify right side
    190,064,171.22x = 27,053,501,080,383,020
  5. Step 5: Solve for x
    x = 27,053,501,080,383,020/190,064,171.22
  6. Step 6: Final answer
    x = 142,338,773.83

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1.5x scale

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.