Finding the Fourth Proportional to 266,643,859.08, 399,925,376.36 and 72,570,397.62
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Solution
The fourth proportional to 266,643,859.08, 399,925,376.36 and 72,570,397.62 is: 108,844,597.74
Step by Step Solution
- Step 1: Write the proportion equation
266,643,859.08 : 399,925,376.36 = 72,570,397.62 : x - Step 2: Convert to fraction form
266,643,859.08/399,925,376.36 = 72,570,397.62/x - Step 3: Cross multiply
266,643,859.08x = 399,925,376.36 × 72,570,397.62 - Step 4: Simplify right side
266,643,859.08x = 29,022,743,580,773,352 - Step 5: Solve for x
x = 29,022,743,580,773,352/266,643,859.08 - Step 6: Final answer
x = 108,844,597.74
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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.