Finding the Fourth Proportional to 89,894,539.80, 134,841,809.70 and 38,876,203.80
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Solution
The fourth proportional to 89,894,539.80, 134,841,809.70 and 38,876,203.80 is: 58,314,305.70
Step by Step Solution
- Step 1: Write the proportion equation
89,894,539.80 : 134,841,809.70 = 38,876,203.80 : x - Step 2: Convert to fraction form
89,894,539.80/134,841,809.70 = 38,876,203.80/x - Step 3: Cross multiply
89,894,539.80x = 134,841,809.70 × 38,876,203.80 - Step 4: Simplify right side
89,894,539.80x = 5,242,137,674,658,016 - Step 5: Solve for x
x = 5,242,137,674,658,016/89,894,539.80 - Step 6: Final answer
x = 58,314,305.70
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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.