Finding the Fourth Proportional to 86,650,948,124.54, 129,985,328,423.05 and 29,990,718,633.59
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Solution
The fourth proportional to 86,650,948,124.54, 129,985,328,423.05 and 29,990,718,633.59 is: 44,989,160,483.59
Step by Step Solution
- Step 1: Write the proportion equation
86,650,948,124.54 : 129,985,328,423.05 = 29,990,718,633.59 : x - Step 2: Convert to fraction form
86,650,948,124.54/129,985,328,423.05 = 29,990,718,633.59/x - Step 3: Cross multiply
86,650,948,124.54x = 129,985,328,423.05 × 29,990,718,633.59 - Step 4: Simplify right side
86,650,948,124.54x = 3,898,353,411,229,831,659,520 - Step 5: Solve for x
x = 3,898,353,411,229,831,659,520/86,650,948,124.54 - Step 6: Final answer
x = 44,989,160,483.59
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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.