Finding the Fourth Proportional to 318,165,615.99, 476,938,905.62 and 152,125,972.79
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Solution
The fourth proportional to 318,165,615.99, 476,938,905.62 and 152,125,972.79 is: 228,040,967.75
Step by Step Solution
- Step 1: Write the proportion equation
318,165,615.99 : 476,938,905.62 = 152,125,972.79 : x - Step 2: Convert to fraction form
318,165,615.99/476,938,905.62 = 152,125,972.79/x - Step 3: Cross multiply
318,165,615.99x = 476,938,905.62 × 152,125,972.79 - Step 4: Simplify right side
318,165,615.99x = 72,554,794,975,695,168 - Step 5: Solve for x
x = 72,554,794,975,695,168/318,165,615.99 - Step 6: Final answer
x = 228,040,967.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.