Finding the Fourth Proportional to 150,077,918.21, 206,943,064.04 and 97,769,952.05
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Solution
The fourth proportional to 150,077,918.21, 206,943,064.04 and 97,769,952.05 is: 134,815,392.49
Step by Step Solution
- Step 1: Write the proportion equation
150,077,918.21 : 206,943,064.04 = 97,769,952.05 : x - Step 2: Convert to fraction form
150,077,918.21/206,943,064.04 = 97,769,952.05/x - Step 3: Cross multiply
150,077,918.21x = 206,943,064.04 × 97,769,952.05 - Step 4: Simplify right side
150,077,918.21x = 20,232,813,447,480,588 - Step 5: Solve for x
x = 20,232,813,447,480,588/150,077,918.21 - Step 6: Final answer
x = 134,815,392.49
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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.