Finding the Fourth Proportional to 129,115,417.30, 193,673,125.95 and 129,115,417.30
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Solution
The fourth proportional to 129,115,417.30, 193,673,125.95 and 129,115,417.30 is: 193,673,125.95
Step by Step Solution
- Step 1: Write the proportion equation
129,115,417.30 : 193,673,125.95 = 129,115,417.30 : x - Step 2: Convert to fraction form
129,115,417.30/193,673,125.95 = 129,115,417.30/x - Step 3: Cross multiply
129,115,417.30x = 193,673,125.95 × 129,115,417.30 - Step 4: Simplify right side
129,115,417.30x = 25,006,186,476,829,708 - Step 5: Solve for x
x = 25,006,186,476,829,708/129,115,417.30 - Step 6: Final answer
x = 193,673,125.95
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1.5x scale
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.