Finding the Fourth Proportional to 75,174,963.20, 112,762,444.80 and 44,941,875.20
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Solution
The fourth proportional to 75,174,963.20, 112,762,444.80 and 44,941,875.20 is: 67,412,812.80
Step by Step Solution
- Step 1: Write the proportion equation
75,174,963.20 : 112,762,444.80 = 44,941,875.20 : x - Step 2: Convert to fraction form
75,174,963.20/112,762,444.80 = 44,941,875.20/x - Step 3: Cross multiply
75,174,963.20x = 112,762,444.80 × 44,941,875.20 - Step 4: Simplify right side
75,174,963.20x = 5,067,755,721,448,489 - Step 5: Solve for x
x = 5,067,755,721,448,489/75,174,963.20 - Step 6: Final answer
x = 67,412,812.80
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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.