Finding the Fourth Proportional to 84,248,601.30, 126,372,901.95 and 73,834,982.10
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Solution
The fourth proportional to 84,248,601.30, 126,372,901.95 and 73,834,982.10 is: 110,752,473.15
Step by Step Solution
- Step 1: Write the proportion equation
84,248,601.30 : 126,372,901.95 = 73,834,982.10 : x - Step 2: Convert to fraction form
84,248,601.30/126,372,901.95 = 73,834,982.10/x - Step 3: Cross multiply
84,248,601.30x = 126,372,901.95 × 73,834,982.10 - Step 4: Simplify right side
84,248,601.30x = 9,330,740,953,403,304 - Step 5: Solve for x
x = 9,330,740,953,403,304/84,248,601.30 - Step 6: Final answer
x = 110,752,473.15
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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.