Finding the Fourth Proportional to 124,640,604.21, 186,960,655.47 and 117,055,827.09
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Solution
The fourth proportional to 124,640,604.21, 186,960,655.47 and 117,055,827.09 is: 175,583,505.05
Step by Step Solution
- Step 1: Write the proportion equation
124,640,604.21 : 186,960,655.47 = 117,055,827.09 : x - Step 2: Convert to fraction form
124,640,604.21/186,960,655.47 = 117,055,827.09/x - Step 3: Cross multiply
124,640,604.21x = 186,960,655.47 × 117,055,827.09 - Step 4: Simplify right side
124,640,604.21x = 21,884,834,159,329,384 - Step 5: Solve for x
x = 21,884,834,159,329,384/124,640,604.21 - Step 6: Final answer
x = 175,583,505.05
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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.