Finding the Fourth Proportional to 93,302,337.72, 128,782,838.70 and 54,156,725.82
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Solution
The fourth proportional to 93,302,337.72, 128,782,838.70 and 54,156,725.82 is: 74,751,148.32
Step by Step Solution
- Step 1: Write the proportion equation
93,302,337.72 : 128,782,838.70 = 54,156,725.82 : x - Step 2: Convert to fraction form
93,302,337.72/128,782,838.70 = 54,156,725.82/x - Step 3: Cross multiply
93,302,337.72x = 128,782,838.70 × 54,156,725.82 - Step 4: Simplify right side
93,302,337.72x = 6,974,456,885,797,185 - Step 5: Solve for x
x = 6,974,456,885,797,185/93,302,337.72 - Step 6: Final answer
x = 74,751,148.32
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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.