Finding the Fourth Proportional to 276,299,881.58, 381,465,914.67 and 175,884,976.50
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Solution
The fourth proportional to 276,299,881.58, 381,465,914.67 and 175,884,976.50 is: 242,830,807.79
Step by Step Solution
- Step 1: Write the proportion equation
276,299,881.58 : 381,465,914.67 = 175,884,976.50 : x - Step 2: Convert to fraction form
276,299,881.58/381,465,914.67 = 175,884,976.50/x - Step 3: Cross multiply
276,299,881.58x = 381,465,914.67 × 175,884,976.50 - Step 4: Simplify right side
276,299,881.58x = 67,094,123,437,283,960 - Step 5: Solve for x
x = 67,094,123,437,283,960/276,299,881.58 - Step 6: Final answer
x = 242,830,807.79
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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.