Finding the Fourth Proportional to 245,718,178.17, 368,629,031.75 and 79,708,720.65
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Solution
The fourth proportional to 245,718,178.17, 368,629,031.75 and 79,708,720.65 is: 119,579,872.90
Step by Step Solution
- Step 1: Write the proportion equation
245,718,178.17 : 368,629,031.75 = 79,708,720.65 : x - Step 2: Convert to fraction form
245,718,178.17/368,629,031.75 = 79,708,720.65/x - Step 3: Cross multiply
245,718,178.17x = 368,629,031.75 × 79,708,720.65 - Step 4: Simplify right side
245,718,178.17x = 29,382,948,514,842,188 - Step 5: Solve for x
x = 29,382,948,514,842,188/245,718,178.17 - Step 6: Final answer
x = 119,579,872.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.