Finding the Fourth Proportional to 86,437,202.09, 129,656,022.74 and 35,319,220.90
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Solution
The fourth proportional to 86,437,202.09, 129,656,022.74 and 35,319,220.90 is: 52,978,921.09
Step by Step Solution
- Step 1: Write the proportion equation
86,437,202.09 : 129,656,022.74 = 35,319,220.90 : x - Step 2: Convert to fraction form
86,437,202.09/129,656,022.74 = 35,319,220.90/x - Step 3: Cross multiply
86,437,202.09x = 129,656,022.74 × 35,319,220.90 - Step 4: Simplify right side
86,437,202.09x = 4,579,349,708,257,781 - Step 5: Solve for x
x = 4,579,349,708,257,781/86,437,202.09 - Step 6: Final answer
x = 52,978,921.09
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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.