Finding the Fourth Proportional to 98,354,115.18, 135,725,977.46 and 54,300,313.49
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Solution
The fourth proportional to 98,354,115.18, 135,725,977.46 and 54,300,313.49 is: 74,932,941.14
Step by Step Solution
- Step 1: Write the proportion equation
98,354,115.18 : 135,725,977.46 = 54,300,313.49 : x - Step 2: Convert to fraction form
98,354,115.18/135,725,977.46 = 54,300,313.49/x - Step 3: Cross multiply
98,354,115.18x = 135,725,977.46 × 54,300,313.49 - Step 4: Simplify right side
98,354,115.18x = 7,369,963,123,864,543 - Step 5: Solve for x
x = 7,369,963,123,864,543/98,354,115.18 - Step 6: Final answer
x = 74,932,941.14
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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.