Finding the Fourth Proportional to 86,650,948,123.04, 129,985,328,420.80 and 29,990,718,632.08
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Solution
The fourth proportional to 86,650,948,123.04, 129,985,328,420.80 and 29,990,718,632.08 is: 44,989,160,481.33
Step by Step Solution
- Step 1: Write the proportion equation
86,650,948,123.04 : 129,985,328,420.80 = 29,990,718,632.08 : x - Step 2: Convert to fraction form
86,650,948,123.04/129,985,328,420.80 = 29,990,718,632.08/x - Step 3: Cross multiply
86,650,948,123.04x = 129,985,328,420.80 × 29,990,718,632.08 - Step 4: Simplify right side
86,650,948,123.04x = 3,898,353,410,966,854,565,888 - Step 5: Solve for x
x = 3,898,353,410,966,854,565,888/86,650,948,123.04 - Step 6: Final answer
x = 44,989,160,481.33
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1.5x scale
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.