Finding the Fourth Proportional to 98,284,371,633.72, 135,726,106,344.06 and 92,929,901,742.36
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Solution
The fourth proportional to 98,284,371,633.72, 135,726,106,344.06 and 92,929,901,742.36 is: 128,331,834,622.01
Step by Step Solution
- Step 1: Write the proportion equation
98,284,371,633.72 : 135,726,106,344.06 = 92,929,901,742.36 : x - Step 2: Convert to fraction form
98,284,371,633.72/135,726,106,344.06 = 92,929,901,742.36/x - Step 3: Cross multiply
98,284,371,633.72x = 135,726,106,344.06 × 92,929,901,742.36 - Step 4: Simplify right side
98,284,371,633.72x = 12,613,013,726,426,600,308,736 - Step 5: Solve for x
x = 12,613,013,726,426,600,308,736/98,284,371,633.72 - Step 6: Final answer
x = 128,331,834,622.01
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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.