Finding the Fourth Proportional to 98,981,159.90, 138,860,602 and 98,981,159.90
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Solution
The fourth proportional to 98,981,159.90, 138,860,602 and 98,981,159.90 is: 138,860,602
Step by Step Solution
- Step 1: Write the proportion equation
98,981,159.90 : 138,860,602 = 98,981,159.90 : x - Step 2: Convert to fraction form
98,981,159.90/138,860,602 = 98,981,159.90/x - Step 3: Cross multiply
98,981,159.90x = 138,860,602 × 98,981,159.90 - Step 4: Simplify right side
98,981,159.90x = 13,744,583,450,372,260 - Step 5: Solve for x
x = 13,744,583,450,372,260/98,981,159.90 - Step 6: Final answer
x = 138,860,602
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.