Finding the Fourth Proportional to 199,657,601.16, 299,492,502.84 and 68,498,036.76
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Solution
The fourth proportional to 199,657,601.16, 299,492,502.84 and 68,498,036.76 is: 102,749,148.29
Step by Step Solution
- Step 1: Write the proportion equation
199,657,601.16 : 299,492,502.84 = 68,498,036.76 : x - Step 2: Convert to fraction form
199,657,601.16/299,492,502.84 = 68,498,036.76/x - Step 3: Cross multiply
199,657,601.16x = 299,492,502.84 × 68,498,036.76 - Step 4: Simplify right side
199,657,601.16x = 20,514,648,468,878,724 - Step 5: Solve for x
x = 20,514,648,468,878,724/199,657,601.16 - Step 6: Final answer
x = 102,749,148.29
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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.