Finding the Fourth Proportional to 107,521,778,361.98, 148,380,068,662.99 and 59,349,830,684.28
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Solution
The fourth proportional to 107,521,778,361.98, 148,380,068,662.99 and 59,349,830,684.28 is: 81,902,774,360.96
Step by Step Solution
- Step 1: Write the proportion equation
107,521,778,361.98 : 148,380,068,662.99 = 59,349,830,684.28 : x - Step 2: Convert to fraction form
107,521,778,361.98/148,380,068,662.99 = 59,349,830,684.28/x - Step 3: Cross multiply
107,521,778,361.98x = 148,380,068,662.99 × 59,349,830,684.28 - Step 4: Simplify right side
107,521,778,361.98x = 8,806,331,952,070,296,338,432 - Step 5: Solve for x
x = 8,806,331,952,070,296,338,432/107,521,778,361.98 - Step 6: Final answer
x = 81,902,774,360.96
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1.5x scale
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.