Finding the Fourth Proportional to 86,953,644.60, 130,430,382.48 and 22,257,345.84
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Solution
The fourth proportional to 86,953,644.60, 130,430,382.48 and 22,257,345.84 is: 33,385,997.15
Step by Step Solution
- Step 1: Write the proportion equation
86,953,644.60 : 130,430,382.48 = 22,257,345.84 : x - Step 2: Convert to fraction form
86,953,644.60/130,430,382.48 = 22,257,345.84/x - Step 3: Cross multiply
86,953,644.60x = 130,430,382.48 × 22,257,345.84 - Step 4: Simplify right side
86,953,644.60x = 2,903,034,130,900,837 - Step 5: Solve for x
x = 2,903,034,130,900,837/86,953,644.60 - Step 6: Final answer
x = 33,385,997.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.