Finding the Fourth Proportional to 199,657,595.88, 299,492,494.97 and 68,498,031.52
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Solution
The fourth proportional to 199,657,595.88, 299,492,494.97 and 68,498,031.52 is: 102,749,140.45
Step by Step Solution
- Step 1: Write the proportion equation
199,657,595.88 : 299,492,494.97 = 68,498,031.52 : x - Step 2: Convert to fraction form
199,657,595.88/299,492,494.97 = 68,498,031.52/x - Step 3: Cross multiply
199,657,595.88x = 299,492,494.97 × 68,498,031.52 - Step 4: Simplify right side
199,657,595.88x = 20,514,646,360,458,504 - Step 5: Solve for x
x = 20,514,646,360,458,504/199,657,595.88 - Step 6: Final answer
x = 102,749,140.45
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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.