Home / 137,673,655.86-190,003,369.38-102,805,811.82

Finding the Fourth Proportional to 137,673,655.86, 190,003,369.38 and 102,805,811.82

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Solution

The fourth proportional to 137,673,655.86, 190,003,369.38 and 102,805,811.82 is: 141,882,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,673,655.86 : 190,003,369.38 = 102,805,811.82 : x
  2. Step 2: Convert to fraction form
    137,673,655.86/190,003,369.38 = 102,805,811.82/x
  3. Step 3: Cross multiply
    137,673,655.86x = 190,003,369.38 × 102,805,811.82
  4. Step 4: Simplify right side
    137,673,655.86x = 19,533,450,637,646,228
  5. Step 5: Solve for x
    x = 19,533,450,637,646,228/137,673,655.86
  6. Step 6: Final answer
    x = 141,882,268.73

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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.