Finding the Fourth Proportional to 292,486,137.80, 438,778,531.02 and 98,351,404.80
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Solution
The fourth proportional to 292,486,137.80, 438,778,531.02 and 98,351,404.80 is: 147,543,693.00
Step by Step Solution
- Step 1: Write the proportion equation
292,486,137.80 : 438,778,531.02 = 98,351,404.80 : x - Step 2: Convert to fraction form
292,486,137.80/438,778,531.02 = 98,351,404.80/x - Step 3: Cross multiply
292,486,137.80x = 438,778,531.02 × 98,351,404.80 - Step 4: Simplify right side
292,486,137.80x = 43,154,484,921,897,376 - Step 5: Solve for x
x = 43,154,484,921,897,376/292,486,137.80 - Step 6: Final answer
x = 147,543,693.00
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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.