Finding the Fourth Proportional to 285,131,929.60, 427,877,812.20 and 121,369,424.68
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Solution
The fourth proportional to 285,131,929.60, 427,877,812.20 and 121,369,424.68 is: 182,130,720.94
Step by Step Solution
- Step 1: Write the proportion equation
285,131,929.60 : 427,877,812.20 = 121,369,424.68 : x - Step 2: Convert to fraction form
285,131,929.60/427,877,812.20 = 121,369,424.68/x - Step 3: Cross multiply
285,131,929.60x = 427,877,812.20 × 121,369,424.68 - Step 4: Simplify right side
285,131,929.60x = 51,931,283,900,051,088 - Step 5: Solve for x
x = 51,931,283,900,051,088/285,131,929.60 - Step 6: Final answer
x = 182,130,720.94
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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.