Finding the Fourth Proportional to 97,611,150.61, 134,580,825.28 and 71,460,267.80
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Solution
The fourth proportional to 97,611,150.61, 134,580,825.28 and 71,460,267.80 is: 98,525,442.59
Step by Step Solution
- Step 1: Write the proportion equation
97,611,150.61 : 134,580,825.28 = 71,460,267.80 : x - Step 2: Convert to fraction form
97,611,150.61/134,580,825.28 = 71,460,267.80/x - Step 3: Cross multiply
97,611,150.61x = 134,580,825.28 × 71,460,267.80 - Step 4: Simplify right side
97,611,150.61x = 9,617,181,815,253,810 - Step 5: Solve for x
x = 9,617,181,815,253,810/97,611,150.61 - Step 6: Final answer
x = 98,525,442.59
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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.