Finding the Fourth Proportional to 68,137,934.40, 94,031,772.48 and 37,199,407.68
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Solution
The fourth proportional to 68,137,934.40, 94,031,772.48 and 37,199,407.68 is: 51,335,959.48
Step by Step Solution
- Step 1: Write the proportion equation
68,137,934.40 : 94,031,772.48 = 37,199,407.68 : x - Step 2: Convert to fraction form
68,137,934.40/94,031,772.48 = 37,199,407.68/x - Step 3: Cross multiply
68,137,934.40x = 94,031,772.48 × 37,199,407.68 - Step 4: Simplify right side
68,137,934.40x = 3,497,926,239,356,525 - Step 5: Solve for x
x = 3,497,926,239,356,525/68,137,934.40 - Step 6: Final answer
x = 51,335,959.48
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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.