Finding the Fourth Proportional to 70,722,340.08, 106,083,539.42 and 31,815,347.24
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Solution
The fourth proportional to 70,722,340.08, 106,083,539.42 and 31,815,347.24 is: 47,723,034.04
Step by Step Solution
- Step 1: Write the proportion equation
70,722,340.08 : 106,083,539.42 = 31,815,347.24 : x - Step 2: Convert to fraction form
70,722,340.08/106,083,539.42 = 31,815,347.24/x - Step 3: Cross multiply
70,722,340.08x = 106,083,539.42 × 31,815,347.24 - Step 4: Simplify right side
70,722,340.08x = 3,375,084,643,095,528 - Step 5: Solve for x
x = 3,375,084,643,095,528/70,722,340.08 - Step 6: Final answer
x = 47,723,034.04
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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.