Finding the Fourth Proportional to 163,302,663.99, 244,868,941.13 and 77,017,903.23
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Solution
The fourth proportional to 163,302,663.99, 244,868,941.13 and 77,017,903.23 is: 115,486,740.70
Step by Step Solution
- Step 1: Write the proportion equation
163,302,663.99 : 244,868,941.13 = 77,017,903.23 : x - Step 2: Convert to fraction form
163,302,663.99/244,868,941.13 = 77,017,903.23/x - Step 3: Cross multiply
163,302,663.99x = 244,868,941.13 × 77,017,903.23 - Step 4: Simplify right side
163,302,663.99x = 18,859,292,411,597,820 - Step 5: Solve for x
x = 18,859,292,411,597,820/163,302,663.99 - Step 6: Final answer
x = 115,486,740.70
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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.