Finding the Fourth Proportional to 87,808,356, 121,175,531.28 and 49,177,188
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Solution
The fourth proportional to 87,808,356, 121,175,531.28 and 49,177,188 is: 67,864,519.44
Step by Step Solution
- Step 1: Write the proportion equation
87,808,356 : 121,175,531.28 = 49,177,188 : x - Step 2: Convert to fraction form
87,808,356/121,175,531.28 = 49,177,188/x - Step 3: Cross multiply
87,808,356x = 121,175,531.28 × 49,177,188 - Step 4: Simplify right side
87,808,356x = 5,959,071,882,756,441 - Step 5: Solve for x
x = 5,959,071,882,756,441/87,808,356 - Step 6: Final answer
x = 67,864,519.44
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.