Finding the Fourth Proportional to 64,464,748.97, 96,707,621.05 and 19,031,136.17
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Solution
The fourth proportional to 64,464,748.97, 96,707,621.05 and 19,031,136.17 is: 28,549,803.33
Step by Step Solution
- Step 1: Write the proportion equation
64,464,748.97 : 96,707,621.05 = 19,031,136.17 : x - Step 2: Convert to fraction form
64,464,748.97/96,707,621.05 = 19,031,136.17/x - Step 3: Cross multiply
64,464,748.97x = 96,707,621.05 × 19,031,136.17 - Step 4: Simplify right side
64,464,748.97x = 1,840,455,904,348,192.25 - Step 5: Solve for x
x = 1,840,455,904,348,192.25/64,464,748.97 - Step 6: Final answer
x = 28,549,803.33
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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.