Finding the Fourth Proportional to 141,517,374.57, 195,293,576.88 and 79,637,712.53
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Solution
The fourth proportional to 141,517,374.57, 195,293,576.88 and 79,637,712.53 is: 109,899,818.17
Step by Step Solution
- Step 1: Write the proportion equation
141,517,374.57 : 195,293,576.88 = 79,637,712.53 : x - Step 2: Convert to fraction form
141,517,374.57/195,293,576.88 = 79,637,712.53/x - Step 3: Cross multiply
141,517,374.57x = 195,293,576.88 × 79,637,712.53 - Step 4: Simplify right side
141,517,374.57x = 15,552,733,733,548,428 - Step 5: Solve for x
x = 15,552,733,733,548,428/141,517,374.57 - Step 6: Final answer
x = 109,899,818.17
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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.