Finding the Fourth Proportional to 150,439,214.17, 207,635,888.78 and 97,581,428.01
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Solution
The fourth proportional to 150,439,214.17, 207,635,888.78 and 97,581,428.01 is: 134,681,682.86
Step by Step Solution
- Step 1: Write the proportion equation
150,439,214.17 : 207,635,888.78 = 97,581,428.01 : x - Step 2: Convert to fraction form
150,439,214.17/207,635,888.78 = 97,581,428.01/x - Step 3: Cross multiply
150,439,214.17x = 207,635,888.78 × 97,581,428.01 - Step 4: Simplify right side
150,439,214.17x = 20,261,406,533,277,936 - Step 5: Solve for x
x = 20,261,406,533,277,936/150,439,214.17 - Step 6: Final answer
x = 134,681,682.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.