Finding the Fourth Proportional to 157,043,227.70, 235,590,417.16 and 46,390,125.62
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Solution
The fourth proportional to 157,043,227.70, 235,590,417.16 and 46,390,125.62 is: 69,592,743.39
Step by Step Solution
- Step 1: Write the proportion equation
157,043,227.70 : 235,590,417.16 = 46,390,125.62 : x - Step 2: Convert to fraction form
157,043,227.70/235,590,417.16 = 46,390,125.62/x - Step 3: Cross multiply
157,043,227.70x = 235,590,417.16 × 46,390,125.62 - Step 4: Simplify right side
157,043,227.70x = 10,929,069,046,688,652 - Step 5: Solve for x
x = 10,929,069,046,688,652/157,043,227.70 - Step 6: Final answer
x = 69,592,743.39
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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.