Finding the Fourth Proportional to 213,118,256.27, 319,688,843.99 and 67,563,167.87
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Solution
The fourth proportional to 213,118,256.27, 319,688,843.99 and 67,563,167.87 is: 101,348,384.74
Step by Step Solution
- Step 1: Write the proportion equation
213,118,256.27 : 319,688,843.99 = 67,563,167.87 : x - Step 2: Convert to fraction form
213,118,256.27/319,688,843.99 = 67,563,167.87/x - Step 3: Cross multiply
213,118,256.27x = 319,688,843.99 × 67,563,167.87 - Step 4: Simplify right side
213,118,256.27x = 21,599,191,032,162,328 - Step 5: Solve for x
x = 21,599,191,032,162,328/213,118,256.27 - Step 6: Final answer
x = 101,348,384.74
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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.