Finding the Fourth Proportional to 240,769,562.70, 332,282,488.50 and 136,366,206.78
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Solution
The fourth proportional to 240,769,562.70, 332,282,488.50 and 136,366,206.78 is: 188,196,971.53
Step by Step Solution
- Step 1: Write the proportion equation
240,769,562.70 : 332,282,488.50 = 136,366,206.78 : x - Step 2: Convert to fraction form
240,769,562.70/332,282,488.50 = 136,366,206.78/x - Step 3: Cross multiply
240,769,562.70x = 332,282,488.50 × 136,366,206.78 - Step 4: Simplify right side
240,769,562.70x = 45,312,102,536,163,976 - Step 5: Solve for x
x = 45,312,102,536,163,976/240,769,562.70 - Step 6: Final answer
x = 188,196,971.53
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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.