Finding the Fourth Proportional to 128,765,880,233.17, 193,148,774,889.08 and 34,436,376,364.95
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Solution
The fourth proportional to 128,765,880,233.17, 193,148,774,889.08 and 34,436,376,364.95 is: 51,654,552,389.69
Step by Step Solution
- Step 1: Write the proportion equation
128,765,880,233.17 : 193,148,774,889.08 = 34,436,376,364.95 : x - Step 2: Convert to fraction form
128,765,880,233.17/193,148,774,889.08 = 34,436,376,364.95/x - Step 3: Cross multiply
128,765,880,233.17x = 193,148,774,889.08 × 34,436,376,364.95 - Step 4: Simplify right side
128,765,880,233.17x = 6,651,343,906,509,361,774,592 - Step 5: Solve for x
x = 6,651,343,906,509,361,774,592/128,765,880,233.17 - Step 6: Final answer
x = 51,654,552,389.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.