Finding the Fourth Proportional to 199,665,523.86, 299,299,881.15 and 138,953,704.02
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Solution
The fourth proportional to 199,665,523.86, 299,299,881.15 and 138,953,704.02 is: 208,292,479.82
Step by Step Solution
- Step 1: Write the proportion equation
199,665,523.86 : 299,299,881.15 = 138,953,704.02 : x - Step 2: Convert to fraction form
199,665,523.86/299,299,881.15 = 138,953,704.02/x - Step 3: Cross multiply
199,665,523.86x = 299,299,881.15 × 138,953,704.02 - Step 4: Simplify right side
199,665,523.86x = 41,588,827,098,538,280 - Step 5: Solve for x
x = 41,588,827,098,538,280/199,665,523.86 - Step 6: Final answer
x = 208,292,479.82
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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.