Finding the Fourth Proportional to 291,029,442.60, 436,604,816.70 and 97,001,135.40
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Solution
The fourth proportional to 291,029,442.60, 436,604,816.70 and 97,001,135.40 is: 145,521,918.89
Step by Step Solution
- Step 1: Write the proportion equation
291,029,442.60 : 436,604,816.70 = 97,001,135.40 : x - Step 2: Convert to fraction form
291,029,442.60/436,604,816.70 = 97,001,135.40/x - Step 3: Cross multiply
291,029,442.60x = 436,604,816.70 × 97,001,135.40 - Step 4: Simplify right side
291,029,442.60x = 42,351,162,941,008,880 - Step 5: Solve for x
x = 42,351,162,941,008,880/291,029,442.60 - Step 6: Final answer
x = 145,521,918.89
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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.