Finding the Fourth Proportional to 66,577,756.16, 99,838,277.12 and 26,159,888.64
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Solution
The fourth proportional to 66,577,756.16, 99,838,277.12 and 26,159,888.64 is: 39,228,690.81
Step by Step Solution
- Step 1: Write the proportion equation
66,577,756.16 : 99,838,277.12 = 26,159,888.64 : x - Step 2: Convert to fraction form
66,577,756.16/99,838,277.12 = 26,159,888.64/x - Step 3: Cross multiply
66,577,756.16x = 99,838,277.12 × 26,159,888.64 - Step 4: Simplify right side
66,577,756.16x = 2,611,758,211,468,660 - Step 5: Solve for x
x = 2,611,758,211,468,660/66,577,756.16 - Step 6: Final answer
x = 39,228,690.81
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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.