Finding the Fourth Proportional to 124,516,403.80, 186,774,605.70 and 52,852,787.80
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Solution
The fourth proportional to 124,516,403.80, 186,774,605.70 and 52,852,787.80 is: 79,279,181.70
Step by Step Solution
- Step 1: Write the proportion equation
124,516,403.80 : 186,774,605.70 = 52,852,787.80 : x - Step 2: Convert to fraction form
124,516,403.80/186,774,605.70 = 52,852,787.80/x - Step 3: Cross multiply
124,516,403.80x = 186,774,605.70 × 52,852,787.80 - Step 4: Simplify right side
124,516,403.80x = 9,871,558,601,490,770 - Step 5: Solve for x
x = 9,871,558,601,490,770/124,516,403.80 - Step 6: Final answer
x = 79,279,181.70
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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.