Finding the Fourth Proportional to 100,596,911.63, 138,803,386.66 and 58,772,899.38
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Solution
The fourth proportional to 100,596,911.63, 138,803,386.66 and 58,772,899.38 is: 81,094,711.02
Step by Step Solution
- Step 1: Write the proportion equation
100,596,911.63 : 138,803,386.66 = 58,772,899.38 : x - Step 2: Convert to fraction form
100,596,911.63/138,803,386.66 = 58,772,899.38/x - Step 3: Cross multiply
100,596,911.63x = 138,803,386.66 × 58,772,899.38 - Step 4: Simplify right side
100,596,911.63x = 8,157,877,477,771,414 - Step 5: Solve for x
x = 8,157,877,477,771,414/100,596,911.63 - Step 6: Final answer
x = 81,094,711.02
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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.