Finding the Fourth Proportional to 98,069,936.04, 135,336,505.32 and 56,840,743.26
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Solution
The fourth proportional to 98,069,936.04, 135,336,505.32 and 56,840,743.26 is: 78,440,221.98
Step by Step Solution
- Step 1: Write the proportion equation
98,069,936.04 : 135,336,505.32 = 56,840,743.26 : x - Step 2: Convert to fraction form
98,069,936.04/135,336,505.32 = 56,840,743.26/x - Step 3: Cross multiply
98,069,936.04x = 135,336,505.32 × 56,840,743.26 - Step 4: Simplify right side
98,069,936.04x = 7,692,627,552,599,743 - Step 5: Solve for x
x = 7,692,627,552,599,743/98,069,936.04 - Step 6: Final answer
x = 78,440,221.98
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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.