Home / 137,673,655.36-190,003,368.71-102,805,811.35

Finding the Fourth Proportional to 137,673,655.36, 190,003,368.71 and 102,805,811.35

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Solution

The fourth proportional to 137,673,655.36, 190,003,368.71 and 102,805,811.35 is: 141,882,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,673,655.36 : 190,003,368.71 = 102,805,811.35 : x
  2. Step 2: Convert to fraction form
    137,673,655.36/190,003,368.71 = 102,805,811.35/x
  3. Step 3: Cross multiply
    137,673,655.36x = 190,003,368.71 × 102,805,811.35
  4. Step 4: Simplify right side
    137,673,655.36x = 19,533,450,478,950,724
  5. Step 5: Solve for x
    x = 19,533,450,478,950,724/137,673,655.36
  6. Step 6: Final answer
    x = 141,882,268.09

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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.