Finding the Fourth Proportional to 57,480,160.12, 86,219,428.10 and 26,757,555.91
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Solution
The fourth proportional to 57,480,160.12, 86,219,428.10 and 26,757,555.91 is: 40,135,955.84
Step by Step Solution
- Step 1: Write the proportion equation
57,480,160.12 : 86,219,428.10 = 26,757,555.91 : x - Step 2: Convert to fraction form
57,480,160.12/86,219,428.10 = 26,757,555.91/x - Step 3: Cross multiply
57,480,160.12x = 86,219,428.10 × 26,757,555.91 - Step 4: Simplify right side
57,480,160.12x = 2,307,021,168,200,134 - Step 5: Solve for x
x = 2,307,021,168,200,134/57,480,160.12 - Step 6: Final answer
x = 40,135,955.84
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1.5x scale
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.