Finding the Fourth Proportional to 86,437,201.84, 129,656,022.37 and 35,319,220.65
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Solution
The fourth proportional to 86,437,201.84, 129,656,022.37 and 35,319,220.65 is: 52,978,920.71
Step by Step Solution
- Step 1: Write the proportion equation
86,437,201.84 : 129,656,022.37 = 35,319,220.65 : x - Step 2: Convert to fraction form
86,437,201.84/129,656,022.37 = 35,319,220.65/x - Step 3: Cross multiply
86,437,201.84x = 129,656,022.37 × 35,319,220.65 - Step 4: Simplify right side
86,437,201.84x = 4,579,349,662,599,068 - Step 5: Solve for x
x = 4,579,349,662,599,068/86,437,201.84 - Step 6: Final answer
x = 52,978,920.71
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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.