Finding the Fourth Proportional to 49,830,294,748.42, 68,766,235,518.18 and 28,421,620,129.54
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Solution
The fourth proportional to 49,830,294,748.42, 68,766,235,518.18 and 28,421,620,129.54 is: 39,222,080,332.93
Step by Step Solution
- Step 1: Write the proportion equation
49,830,294,748.42 : 68,766,235,518.18 = 28,421,620,129.54 : x - Step 2: Convert to fraction form
49,830,294,748.42/68,766,235,518.18 = 28,421,620,129.54/x - Step 3: Cross multiply
49,830,294,748.42x = 68,766,235,518.18 × 28,421,620,129.54 - Step 4: Simplify right side
49,830,294,748.42x = 1,954,447,823,636,193,083,392 - Step 5: Solve for x
x = 1,954,447,823,636,193,083,392/49,830,294,748.42 - Step 6: Final answer
x = 39,222,080,332.93
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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.