Finding the Fourth Proportional to 118,587,085.20, 177,911,296.49 and 69,444,440.69
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Solution
The fourth proportional to 118,587,085.20, 177,911,296.49 and 69,444,440.69 is: 104,184,620.57
Step by Step Solution
- Step 1: Write the proportion equation
118,587,085.20 : 177,911,296.49 = 69,444,440.69 : x - Step 2: Convert to fraction form
118,587,085.20/177,911,296.49 = 69,444,440.69/x - Step 3: Cross multiply
118,587,085.20x = 177,911,296.49 × 69,444,440.69 - Step 4: Simplify right side
118,587,085.20x = 12,354,950,476,464,866 - Step 5: Solve for x
x = 12,354,950,476,464,866/118,587,085.20 - Step 6: Final answer
x = 104,184,620.57
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.