Finding the Fourth Proportional to 57,537,412.48, 86,340,168 and 21,171,340
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Solution
The fourth proportional to 57,537,412.48, 86,340,168 and 21,171,340 is: 31,769,538.70
Step by Step Solution
- Step 1: Write the proportion equation
57,537,412.48 : 86,340,168 = 21,171,340 : x - Step 2: Convert to fraction form
57,537,412.48/86,340,168 = 21,171,340/x - Step 3: Cross multiply
57,537,412.48x = 86,340,168 × 21,171,340 - Step 4: Simplify right side
57,537,412.48x = 1,827,937,052,385,120 - Step 5: Solve for x
x = 1,827,937,052,385,120/57,537,412.48 - Step 6: Final answer
x = 31,769,538.70
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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.