Finding the Fourth Proportional to 145,160,595.60, 217,516,944.60 and 125,900,998.80
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Solution
The fourth proportional to 145,160,595.60, 217,516,944.60 and 125,900,998.80 is: 188,657,262.45
Step by Step Solution
- Step 1: Write the proportion equation
145,160,595.60 : 217,516,944.60 = 125,900,998.80 : x - Step 2: Convert to fraction form
145,160,595.60/217,516,944.60 = 125,900,998.80/x - Step 3: Cross multiply
145,160,595.60x = 217,516,944.60 × 125,900,998.80 - Step 4: Simplify right side
145,160,595.60x = 27,385,600,581,064,264 - Step 5: Solve for x
x = 27,385,600,581,064,264/145,160,595.60 - Step 6: Final answer
x = 188,657,262.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.