Finding the Fourth Proportional to 145,794,090.87, 201,195,864.43 and 79,714,634.92
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Solution
The fourth proportional to 145,794,090.87, 201,195,864.43 and 79,714,634.92 is: 110,006,206.59
Step by Step Solution
- Step 1: Write the proportion equation
145,794,090.87 : 201,195,864.43 = 79,714,634.92 : x - Step 2: Convert to fraction form
145,794,090.87/201,195,864.43 = 79,714,634.92/x - Step 3: Cross multiply
145,794,090.87x = 201,195,864.43 × 79,714,634.92 - Step 4: Simplify right side
145,794,090.87x = 16,038,254,879,748,990 - Step 5: Solve for x
x = 16,038,254,879,748,990/145,794,090.87 - Step 6: Final answer
x = 110,006,206.59
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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.