Finding the Fourth Proportional to 86,034,176.06, 128,926,080 and 53,174,588.54
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Solution
The fourth proportional to 86,034,176.06, 128,926,080 and 53,174,588.54 is: 79,684,511.08
Step by Step Solution
- Step 1: Write the proportion equation
86,034,176.06 : 128,926,080 = 53,174,588.54 : x - Step 2: Convert to fraction form
86,034,176.06/128,926,080 = 53,174,588.54/x - Step 3: Cross multiply
86,034,176.06x = 128,926,080 × 53,174,588.54 - Step 4: Simplify right side
86,034,176.06x = 6,855,591,255,430,492 - Step 5: Solve for x
x = 6,855,591,255,430,492/86,034,176.06 - Step 6: Final answer
x = 79,684,511.08
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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.