Finding the Fourth Proportional to 134,516,119.80, 201,774,179.70 and 101,991,930.60
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Solution
The fourth proportional to 134,516,119.80, 201,774,179.70 and 101,991,930.60 is: 152,987,895.90
Step by Step Solution
- Step 1: Write the proportion equation
134,516,119.80 : 201,774,179.70 = 101,991,930.60 : x - Step 2: Convert to fraction form
134,516,119.80/201,774,179.70 = 101,991,930.60/x - Step 3: Cross multiply
134,516,119.80x = 201,774,179.70 × 101,991,930.60 - Step 4: Simplify right side
134,516,119.80x = 20,579,338,132,834,328 - Step 5: Solve for x
x = 20,579,338,132,834,328/134,516,119.80 - Step 6: Final answer
x = 152,987,895.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.