Finding the Fourth Proportional to 108,787,725.34, 163,078,998.27 and 54,148,652.08
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Solution
The fourth proportional to 108,787,725.34, 163,078,998.27 and 54,148,652.08 is: 81,171,914.49
Step by Step Solution
- Step 1: Write the proportion equation
108,787,725.34 : 163,078,998.27 = 54,148,652.08 : x - Step 2: Convert to fraction form
108,787,725.34/163,078,998.27 = 54,148,652.08/x - Step 3: Cross multiply
108,787,725.34x = 163,078,998.27 × 54,148,652.08 - Step 4: Simplify right side
108,787,725.34x = 8,830,507,938,877,152 - Step 5: Solve for x
x = 8,830,507,938,877,152/108,787,725.34 - Step 6: Final answer
x = 81,171,914.49
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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.