Finding the Fourth Proportional to 199,657,596.88, 299,492,496.47 and 68,498,032.52
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Solution
The fourth proportional to 199,657,596.88, 299,492,496.47 and 68,498,032.52 is: 102,749,141.95
Step by Step Solution
- Step 1: Write the proportion equation
199,657,596.88 : 299,492,496.47 = 68,498,032.52 : x - Step 2: Convert to fraction form
199,657,596.88/299,492,496.47 = 68,498,032.52/x - Step 3: Cross multiply
199,657,596.88x = 299,492,496.47 × 68,498,032.52 - Step 4: Simplify right side
199,657,596.88x = 20,514,646,762,698,044 - Step 5: Solve for x
x = 20,514,646,762,698,044/199,657,596.88 - Step 6: Final answer
x = 102,749,141.95
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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.