Finding the Fourth Proportional to 67,414,681.05, 93,005,789.80 and 39,152,242.91
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Solution
The fourth proportional to 67,414,681.05, 93,005,789.80 and 39,152,242.91 is: 54,014,722.28
Step by Step Solution
- Step 1: Write the proportion equation
67,414,681.05 : 93,005,789.80 = 39,152,242.91 : x - Step 2: Convert to fraction form
67,414,681.05/93,005,789.80 = 39,152,242.91/x - Step 3: Cross multiply
67,414,681.05x = 93,005,789.80 × 39,152,242.91 - Step 4: Simplify right side
67,414,681.05x = 3,641,385,274,286,000 - Step 5: Solve for x
x = 3,641,385,274,286,000/67,414,681.05 - Step 6: Final answer
x = 54,014,722.28
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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.