Finding the Fourth Proportional to 102,669,807.08, 141,684,293.22 and 56,884,719.08
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Solution
The fourth proportional to 102,669,807.08, 141,684,293.22 and 56,884,719.08 is: 78,500,889.86
Step by Step Solution
- Step 1: Write the proportion equation
102,669,807.08 : 141,684,293.22 = 56,884,719.08 : x - Step 2: Convert to fraction form
102,669,807.08/141,684,293.22 = 56,884,719.08/x - Step 3: Cross multiply
102,669,807.08x = 141,684,293.22 × 56,884,719.08 - Step 4: Simplify right side
102,669,807.08x = 8,059,671,217,868,048 - Step 5: Solve for x
x = 8,059,671,217,868,048/102,669,807.08 - Step 6: Final answer
x = 78,500,889.86
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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.