Finding the Fourth Proportional to 107,681,685.08, 148,599,967.40 and 58,789,113.08
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Solution
The fourth proportional to 107,681,685.08, 148,599,967.40 and 58,789,113.08 is: 81,128,562.21
Step by Step Solution
- Step 1: Write the proportion equation
107,681,685.08 : 148,599,967.40 = 58,789,113.08 : x - Step 2: Convert to fraction form
107,681,685.08/148,599,967.40 = 58,789,113.08/x - Step 3: Cross multiply
107,681,685.08x = 148,599,967.40 × 58,789,113.08 - Step 4: Simplify right side
107,681,685.08x = 8,736,060,287,162,914 - Step 5: Solve for x
x = 8,736,060,287,162,914/107,681,685.08 - Step 6: Final answer
x = 81,128,562.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.