Finding the Fourth Proportional to 74,854,331.28, 112,326,286.80 and 68,762,923.92
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Solution
The fourth proportional to 74,854,331.28, 112,326,286.80 and 68,762,923.92 is: 103,185,530.90
Step by Step Solution
- Step 1: Write the proportion equation
74,854,331.28 : 112,326,286.80 = 68,762,923.92 : x - Step 2: Convert to fraction form
74,854,331.28/112,326,286.80 = 68,762,923.92/x - Step 3: Cross multiply
74,854,331.28x = 112,326,286.80 × 68,762,923.92 - Step 4: Simplify right side
74,854,331.28x = 7,723,883,913,444,500 - Step 5: Solve for x
x = 7,723,883,913,444,500/74,854,331.28 - Step 6: Final answer
x = 103,185,530.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.