Finding the Fourth Proportional to 193,955,419.05, 272,217,831.15 and 193,955,419.05
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Solution
The fourth proportional to 193,955,419.05, 272,217,831.15 and 193,955,419.05 is: 272,217,831.15
Step by Step Solution
- Step 1: Write the proportion equation
193,955,419.05 : 272,217,831.15 = 193,955,419.05 : x - Step 2: Convert to fraction form
193,955,419.05/272,217,831.15 = 193,955,419.05/x - Step 3: Cross multiply
193,955,419.05x = 272,217,831.15 × 193,955,419.05 - Step 4: Simplify right side
193,955,419.05x = 52,798,123,513,580,392 - Step 5: Solve for x
x = 52,798,123,513,580,392/193,955,419.05 - Step 6: Final answer
x = 272,217,831.15
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.