Finding the Fourth Proportional to 186,045,472.68, 256,740,246.18 and 103,539,235.56
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Solution
The fourth proportional to 186,045,472.68, 256,740,246.18 and 103,539,235.56 is: 142,882,750.35
Step by Step Solution
- Step 1: Write the proportion equation
186,045,472.68 : 256,740,246.18 = 103,539,235.56 : x - Step 2: Convert to fraction form
186,045,472.68/256,740,246.18 = 103,539,235.56/x - Step 3: Cross multiply
186,045,472.68x = 256,740,246.18 × 103,539,235.56 - Step 4: Simplify right side
186,045,472.68x = 26,582,688,826,963,412 - Step 5: Solve for x
x = 26,582,688,826,963,412/186,045,472.68 - Step 6: Final answer
x = 142,882,750.35
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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.