Finding the Fourth Proportional to 57,462,990.70, 86,236,476.45 and 40,456,878.70
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Solution
The fourth proportional to 57,462,990.70, 86,236,476.45 and 40,456,878.70 is: 60,714,881.44
Step by Step Solution
- Step 1: Write the proportion equation
57,462,990.70 : 86,236,476.45 = 40,456,878.70 : x - Step 2: Convert to fraction form
57,462,990.70/86,236,476.45 = 40,456,878.70/x - Step 3: Cross multiply
57,462,990.70x = 86,236,476.45 × 40,456,878.70 - Step 4: Simplify right side
57,462,990.70x = 3,488,858,667,253,057 - Step 5: Solve for x
x = 3,488,858,667,253,057/57,462,990.70 - Step 6: Final answer
x = 60,714,881.44
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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.