Home / 137,673,657.36-190,003,371.45-102,805,813.32

Finding the Fourth Proportional to 137,673,657.36, 190,003,371.45 and 102,805,813.32

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Solution

The fourth proportional to 137,673,657.36, 190,003,371.45 and 102,805,813.32 is: 141,882,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,673,657.36 : 190,003,371.45 = 102,805,813.32 : x
  2. Step 2: Convert to fraction form
    137,673,657.36/190,003,371.45 = 102,805,813.32/x
  3. Step 3: Cross multiply
    137,673,657.36x = 190,003,371.45 × 102,805,813.32
  4. Step 4: Simplify right side
    137,673,657.36x = 19,533,451,135,459,316
  5. Step 5: Solve for x
    x = 19,533,451,135,459,316/137,673,657.36
  6. Step 6: Final answer
    x = 141,882,270.80

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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.