Finding the Fourth Proportional to 197,402,304.79, 272,423,695.13 and 109,296,304.39
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Solution
The fourth proportional to 197,402,304.79, 272,423,695.13 and 109,296,304.39 is: 150,833,614.32
Step by Step Solution
- Step 1: Write the proportion equation
197,402,304.79 : 272,423,695.13 = 109,296,304.39 : x - Step 2: Convert to fraction form
197,402,304.79/272,423,695.13 = 109,296,304.39/x - Step 3: Cross multiply
197,402,304.79x = 272,423,695.13 × 109,296,304.39 - Step 4: Simplify right side
197,402,304.79x = 29,774,903,105,977,040 - Step 5: Solve for x
x = 29,774,903,105,977,040/197,402,304.79 - Step 6: Final answer
x = 150,833,614.32
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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.