Finding the Fourth Proportional to 243,047,312.68, 364,570,139.58 and 99,440,144.68
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Solution
The fourth proportional to 243,047,312.68, 364,570,139.58 and 99,440,144.68 is: 149,159,877.66
Step by Step Solution
- Step 1: Write the proportion equation
243,047,312.68 : 364,570,139.58 = 99,440,144.68 : x - Step 2: Convert to fraction form
243,047,312.68/364,570,139.58 = 99,440,144.68/x - Step 3: Cross multiply
243,047,312.68x = 364,570,139.58 × 99,440,144.68 - Step 4: Simplify right side
243,047,312.68x = 36,252,907,425,842,992 - Step 5: Solve for x
x = 36,252,907,425,842,992/243,047,312.68 - Step 6: Final answer
x = 149,159,877.66
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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.