Finding the Fourth Proportional to 172,909,296.84, 258,948,350.84 and 98,908,721.48
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Solution
The fourth proportional to 172,909,296.84, 258,948,350.84 and 98,908,721.48 is: 148,125,351.15
Step by Step Solution
- Step 1: Write the proportion equation
172,909,296.84 : 258,948,350.84 = 98,908,721.48 : x - Step 2: Convert to fraction form
172,909,296.84/258,948,350.84 = 98,908,721.48/x - Step 3: Cross multiply
172,909,296.84x = 258,948,350.84 × 98,908,721.48 - Step 4: Simplify right side
172,909,296.84x = 25,612,250,310,938,884 - Step 5: Solve for x
x = 25,612,250,310,938,884/172,909,296.84 - Step 6: Final answer
x = 148,125,351.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.