Finding the Fourth Proportional to 98,118,527.19, 135,397,465.58 and 54,063,060.64
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Solution
The fourth proportional to 98,118,527.19, 135,397,465.58 and 54,063,060.64 is: 74,603,661.53
Step by Step Solution
- Step 1: Write the proportion equation
98,118,527.19 : 135,397,465.58 = 54,063,060.64 : x - Step 2: Convert to fraction form
98,118,527.19/135,397,465.58 = 54,063,060.64/x - Step 3: Cross multiply
98,118,527.19x = 135,397,465.58 × 54,063,060.64 - Step 4: Simplify right side
98,118,527.19x = 7,320,001,391,950,518 - Step 5: Solve for x
x = 7,320,001,391,950,518/98,118,527.19 - Step 6: Final answer
x = 74,603,661.53
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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.