Finding the Fourth Proportional to 245,284,193.84, 338,490,632.48 and 139,437,614.76
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Solution
The fourth proportional to 245,284,193.84, 338,490,632.48 and 139,437,614.76 is: 192,423,024.38
Step by Step Solution
- Step 1: Write the proportion equation
245,284,193.84 : 338,490,632.48 = 139,437,614.76 : x - Step 2: Convert to fraction form
245,284,193.84/338,490,632.48 = 139,437,614.76/x - Step 3: Cross multiply
245,284,193.84x = 338,490,632.48 × 139,437,614.76 - Step 4: Simplify right side
245,284,193.84x = 47,198,326,411,614,984 - Step 5: Solve for x
x = 47,198,326,411,614,984/245,284,193.84 - Step 6: Final answer
x = 192,423,024.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.