Finding the Fourth Proportional to 245,785,688.08, 339,194,553.96 and 141,363,788.56
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Solution
The fourth proportional to 245,785,688.08, 339,194,553.96 and 141,363,788.56 is: 195,087,954.80
Step by Step Solution
- Step 1: Write the proportion equation
245,785,688.08 : 339,194,553.96 = 141,363,788.56 : x - Step 2: Convert to fraction form
245,785,688.08/339,194,553.96 = 141,363,788.56/x - Step 3: Cross multiply
245,785,688.08x = 339,194,553.96 × 141,363,788.56 - Step 4: Simplify right side
245,785,688.08x = 47,949,827,206,704,952 - Step 5: Solve for x
x = 47,949,827,206,704,952/245,785,688.08 - Step 6: Final answer
x = 195,087,954.80
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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.