Finding the Fourth Proportional to 135,561,332.08, 187,164,728.09 and 104,143,425.90
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Solution
The fourth proportional to 135,561,332.08, 187,164,728.09 and 104,143,425.90 is: 143,787,138.20
Step by Step Solution
- Step 1: Write the proportion equation
135,561,332.08 : 187,164,728.09 = 104,143,425.90 : x - Step 2: Convert to fraction form
135,561,332.08/187,164,728.09 = 104,143,425.90/x - Step 3: Cross multiply
135,561,332.08x = 187,164,728.09 × 104,143,425.90 - Step 4: Simplify right side
135,561,332.08x = 19,491,975,990,934,564 - Step 5: Solve for x
x = 19,491,975,990,934,564/135,561,332.08 - Step 6: Final answer
x = 143,787,138.20
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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.