Finding the Fourth Proportional to 243,727,075.44, 336,343,364.12 and 139,307,388.81
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Solution
The fourth proportional to 243,727,075.44, 336,343,364.12 and 139,307,388.81 is: 192,244,196.56
Step by Step Solution
- Step 1: Write the proportion equation
243,727,075.44 : 336,343,364.12 = 139,307,388.81 : x - Step 2: Convert to fraction form
243,727,075.44/336,343,364.12 = 139,307,388.81/x - Step 3: Cross multiply
243,727,075.44x = 336,343,364.12 × 139,307,388.81 - Step 4: Simplify right side
243,727,075.44x = 46,855,115,798,431,712 - Step 5: Solve for x
x = 46,855,115,798,431,712/243,727,075.44 - Step 6: Final answer
x = 192,244,196.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.