Finding the Fourth Proportional to 228,017,605.68, 314,655,865.85 and 123,593,434.99
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Solution
The fourth proportional to 228,017,605.68, 314,655,865.85 and 123,593,434.99 is: 170,554,370.94
Step by Step Solution
- Step 1: Write the proportion equation
228,017,605.68 : 314,655,865.85 = 123,593,434.99 : x - Step 2: Convert to fraction form
228,017,605.68/314,655,865.85 = 123,593,434.99/x - Step 3: Cross multiply
228,017,605.68x = 314,655,865.85 × 123,593,434.99 - Step 4: Simplify right side
228,017,605.68x = 38,889,399,299,676,480 - Step 5: Solve for x
x = 38,889,399,299,676,480/228,017,605.68 - Step 6: Final answer
x = 170,554,370.94
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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.