Finding the Fourth Proportional to 315,045,123.02, 434,750,873.06 and 173,913,312.18
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Solution
The fourth proportional to 315,045,123.02, 434,750,873.06 and 173,913,312.18 is: 239,994,079.52
Step by Step Solution
- Step 1: Write the proportion equation
315,045,123.02 : 434,750,873.06 = 173,913,312.18 : x - Step 2: Convert to fraction form
315,045,123.02/434,750,873.06 = 173,913,312.18/x - Step 3: Cross multiply
315,045,123.02x = 434,750,873.06 × 173,913,312.18 - Step 4: Simplify right side
315,045,123.02x = 75,608,964,306,141,776 - Step 5: Solve for x
x = 75,608,964,306,141,776/315,045,123.02 - Step 6: Final answer
x = 239,994,079.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.