Finding the Fourth Proportional to 99,696,319.80, 149,544,479.70 and 61,233,113.40
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Solution
The fourth proportional to 99,696,319.80, 149,544,479.70 and 61,233,113.40 is: 91,849,670.10
Step by Step Solution
- Step 1: Write the proportion equation
99,696,319.80 : 149,544,479.70 = 61,233,113.40 : x - Step 2: Convert to fraction form
99,696,319.80/149,544,479.70 = 61,233,113.40/x - Step 3: Cross multiply
99,696,319.80x = 149,544,479.70 × 61,233,113.40 - Step 4: Simplify right side
99,696,319.80x = 9,157,074,083,814,098 - Step 5: Solve for x
x = 9,157,074,083,814,098/99,696,319.80 - Step 6: Final answer
x = 91,849,670.10
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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.