Finding the Fourth Proportional to 98,355,668.40, 135,730,188 and 54,305,412.48
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Solution
The fourth proportional to 98,355,668.40, 135,730,188 and 54,305,412.48 is: 74,941,118.95
Step by Step Solution
- Step 1: Write the proportion equation
98,355,668.40 : 135,730,188 = 54,305,412.48 : x - Step 2: Convert to fraction form
98,355,668.40/135,730,188 = 54,305,412.48/x - Step 3: Cross multiply
98,355,668.40x = 135,730,188 × 54,305,412.48 - Step 4: Simplify right side
98,355,668.40x = 7,370,883,845,327,946 - Step 5: Solve for x
x = 7,370,883,845,327,946/98,355,668.40 - Step 6: Final answer
x = 74,941,118.95
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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.