Finding the Fourth Proportional to 118,636,081.74, 177,973,317.09 and 36,735,711.66
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Solution
The fourth proportional to 118,636,081.74, 177,973,317.09 and 36,735,711.66 is: 55,109,511.07
Step by Step Solution
- Step 1: Write the proportion equation
118,636,081.74 : 177,973,317.09 = 36,735,711.66 : x - Step 2: Convert to fraction form
118,636,081.74/177,973,317.09 = 36,735,711.66/x - Step 3: Cross multiply
118,636,081.74x = 177,973,317.09 × 36,735,711.66 - Step 4: Simplify right side
118,636,081.74x = 6,537,976,459,791,990 - Step 5: Solve for x
x = 6,537,976,459,791,990/118,636,081.74 - Step 6: Final answer
x = 55,109,511.07
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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.