Finding the Fourth Proportional to 112,783,258.10, 168,985,930.35 and 96,532,973.30
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Solution
The fourth proportional to 112,783,258.10, 168,985,930.35 and 96,532,973.30 is: 144,637,728.84
Step by Step Solution
- Step 1: Write the proportion equation
112,783,258.10 : 168,985,930.35 = 96,532,973.30 : x - Step 2: Convert to fraction form
112,783,258.10/168,985,930.35 = 96,532,973.30/x - Step 3: Cross multiply
112,783,258.10x = 168,985,930.35 × 96,532,973.30 - Step 4: Simplify right side
112,783,258.10x = 16,312,714,302,552,208 - Step 5: Solve for x
x = 16,312,714,302,552,208/112,783,258.10 - Step 6: Final answer
x = 144,637,728.84
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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.