Finding the Fourth Proportional to 290,926,254.06, 436,378,752.14 and 86,449,014.90
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Solution
The fourth proportional to 290,926,254.06, 436,378,752.14 and 86,449,014.90 is: 129,670,363.95
Step by Step Solution
- Step 1: Write the proportion equation
290,926,254.06 : 436,378,752.14 = 86,449,014.90 : x - Step 2: Convert to fraction form
290,926,254.06/436,378,752.14 = 86,449,014.90/x - Step 3: Cross multiply
290,926,254.06x = 436,378,752.14 × 86,449,014.90 - Step 4: Simplify right side
290,926,254.06x = 37,724,513,245,362,024 - Step 5: Solve for x
x = 37,724,513,245,362,024/290,926,254.06 - Step 6: Final answer
x = 129,670,363.95
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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.