Finding the Fourth Proportional to 68,708,381.80, 94,863,224.74 and 52,785,106.58
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Solution
The fourth proportional to 68,708,381.80, 94,863,224.74 and 52,785,106.58 is: 72,878,523.66
Step by Step Solution
- Step 1: Write the proportion equation
68,708,381.80 : 94,863,224.74 = 52,785,106.58 : x - Step 2: Convert to fraction form
68,708,381.80/94,863,224.74 = 52,785,106.58/x - Step 3: Cross multiply
68,708,381.80x = 94,863,224.74 × 52,785,106.58 - Step 4: Simplify right side
68,708,381.80x = 5,007,365,428,423,392 - Step 5: Solve for x
x = 5,007,365,428,423,392/68,708,381.80 - Step 6: Final answer
x = 72,878,523.66
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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.