Finding the Fourth Proportional to 126,561,817,397.62, 174,655,480,963.93 and 68,690,198,105.00
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Solution
The fourth proportional to 126,561,817,397.62, 174,655,480,963.93 and 68,690,198,105.00 is: 94,792,567,254.66
Step by Step Solution
- Step 1: Write the proportion equation
126,561,817,397.62 : 174,655,480,963.93 = 68,690,198,105.00 : x - Step 2: Convert to fraction form
126,561,817,397.62/174,655,480,963.93 = 68,690,198,105.00/x - Step 3: Cross multiply
126,561,817,397.62x = 174,655,480,963.93 × 68,690,198,105.00 - Step 4: Simplify right side
126,561,817,397.62x = 11,997,119,587,536,057,925,632 - Step 5: Solve for x
x = 11,997,119,587,536,057,925,632/126,561,817,397.62 - Step 6: Final answer
x = 94,792,567,254.66
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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.