Finding the Fourth Proportional to 188,732,288.88, 260,316,394.59 and 125,976,746.09
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Solution
The fourth proportional to 188,732,288.88, 260,316,394.59 and 125,976,746.09 is: 173,758,356.55
Step by Step Solution
- Step 1: Write the proportion equation
188,732,288.88 : 260,316,394.59 = 125,976,746.09 : x - Step 2: Convert to fraction form
188,732,288.88/260,316,394.59 = 125,976,746.09/x - Step 3: Cross multiply
188,732,288.88x = 260,316,394.59 × 125,976,746.09 - Step 4: Simplify right side
188,732,288.88x = 32,793,812,344,328,680 - Step 5: Solve for x
x = 32,793,812,344,328,680/188,732,288.88 - Step 6: Final answer
x = 173,758,356.55
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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.