Finding the Fourth Proportional to 228,430,840.96, 342,646,252.80 and 66,872,776.96
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Solution
The fourth proportional to 228,430,840.96, 342,646,252.80 and 66,872,776.96 is: 100,309,162.91
Step by Step Solution
- Step 1: Write the proportion equation
228,430,840.96 : 342,646,252.80 = 66,872,776.96 : x - Step 2: Convert to fraction form
228,430,840.96/342,646,252.80 = 66,872,776.96/x - Step 3: Cross multiply
228,430,840.96x = 342,646,252.80 × 66,872,776.96 - Step 4: Simplify right side
228,430,840.96x = 22,913,706,439,674,176 - Step 5: Solve for x
x = 22,913,706,439,674,176/228,430,840.96 - Step 6: Final answer
x = 100,309,162.91
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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.