Home / 137,673,656.86-190,003,370.76-102,805,812.82

Finding the Fourth Proportional to 137,673,656.86, 190,003,370.76 and 102,805,812.82

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Solution

The fourth proportional to 137,673,656.86, 190,003,370.76 and 102,805,812.82 is: 141,882,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,673,656.86 : 190,003,370.76 = 102,805,812.82 : x
  2. Step 2: Convert to fraction form
    137,673,656.86/190,003,370.76 = 102,805,812.82/x
  3. Step 3: Cross multiply
    137,673,656.86x = 190,003,370.76 × 102,805,812.82
  4. Step 4: Simplify right side
    137,673,656.86x = 19,533,450,969,521,620
  5. Step 5: Solve for x
    x = 19,533,450,969,521,620/137,673,656.86
  6. Step 6: Final answer
    x = 141,882,270.11

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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.