Finding the Fourth Proportional to 157,470,540.10, 236,205,810.15 and 48,312,558.70
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Solution
The fourth proportional to 157,470,540.10, 236,205,810.15 and 48,312,558.70 is: 72,468,838.05
Step by Step Solution
- Step 1: Write the proportion equation
157,470,540.10 : 236,205,810.15 = 48,312,558.70 : x - Step 2: Convert to fraction form
157,470,540.10/236,205,810.15 = 48,312,558.70/x - Step 3: Cross multiply
157,470,540.10x = 236,205,810.15 × 48,312,558.70 - Step 4: Simplify right side
157,470,540.10x = 11,411,707,068,152,932 - Step 5: Solve for x
x = 11,411,707,068,152,932/157,470,540.10 - Step 6: Final answer
x = 72,468,838.05
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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.