Finding the Fourth Proportional to 69,791,393.91, 104,638,612.16 and 30,908,657.73
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Solution
The fourth proportional to 69,791,393.91, 104,638,612.16 and 30,908,657.73 is: 46,341,516.73
Step by Step Solution
- Step 1: Write the proportion equation
69,791,393.91 : 104,638,612.16 = 30,908,657.73 : x - Step 2: Convert to fraction form
69,791,393.91/104,638,612.16 = 30,908,657.73/x - Step 3: Cross multiply
69,791,393.91x = 104,638,612.16 × 30,908,657.73 - Step 4: Simplify right side
69,791,393.91x = 3,234,239,048,441,113 - Step 5: Solve for x
x = 3,234,239,048,441,113/69,791,393.91 - Step 6: Final answer
x = 46,341,516.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.