Finding the Fourth Proportional to 94,622,670.48, 130,638,394.74 and 72,553,771.02
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Solution
The fourth proportional to 94,622,670.48, 130,638,394.74 and 72,553,771.02 is: 100,169,527.35
Step by Step Solution
- Step 1: Write the proportion equation
94,622,670.48 : 130,638,394.74 = 72,553,771.02 : x - Step 2: Convert to fraction form
94,622,670.48/130,638,394.74 = 72,553,771.02/x - Step 3: Cross multiply
94,622,670.48x = 130,638,394.74 × 72,553,771.02 - Step 4: Simplify right side
94,622,670.48x = 9,478,308,178,386,332 - Step 5: Solve for x
x = 9,478,308,178,386,332/94,622,670.48 - Step 6: Final answer
x = 100,169,527.35
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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.