Finding the Fourth Proportional to 246,972,956.24, 340,811,006.28 and 136,962,307.28
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Solution
The fourth proportional to 246,972,956.24, 340,811,006.28 and 136,962,307.28 is: 189,001,510.44
Step by Step Solution
- Step 1: Write the proportion equation
246,972,956.24 : 340,811,006.28 = 136,962,307.28 : x - Step 2: Convert to fraction form
246,972,956.24/340,811,006.28 = 136,962,307.28/x - Step 3: Cross multiply
246,972,956.24x = 340,811,006.28 × 136,962,307.28 - Step 4: Simplify right side
246,972,956.24x = 46,678,261,766,527,368 - Step 5: Solve for x
x = 46,678,261,766,527,368/246,972,956.24 - Step 6: Final answer
x = 189,001,510.44
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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.