Finding the Fourth Proportional to 85,865,883,857.84, 128,857,659,281.68 and 29,968,371,418.88
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Solution
The fourth proportional to 85,865,883,857.84, 128,857,659,281.68 and 29,968,371,418.88 is: 44,973,090,825.16
Step by Step Solution
- Step 1: Write the proportion equation
85,865,883,857.84 : 128,857,659,281.68 = 29,968,371,418.88 : x - Step 2: Convert to fraction form
85,865,883,857.84/128,857,659,281.68 = 29,968,371,418.88/x - Step 3: Cross multiply
85,865,883,857.84x = 128,857,659,281.68 × 29,968,371,418.88 - Step 4: Simplify right side
85,865,883,857.84x = 3,861,654,193,520,875,929,600 - Step 5: Solve for x
x = 3,861,654,193,520,875,929,600/85,865,883,857.84 - Step 6: Final answer
x = 44,973,090,825.16
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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.