Finding the Fourth Proportional to 176,657,032.36, 243,790,977.12 and 98,345,879.20
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Solution
The fourth proportional to 176,657,032.36, 243,790,977.12 and 98,345,879.20 is: 135,719,691.80
Step by Step Solution
- Step 1: Write the proportion equation
176,657,032.36 : 243,790,977.12 = 98,345,879.20 : x - Step 2: Convert to fraction form
176,657,032.36/243,790,977.12 = 98,345,879.20/x - Step 3: Cross multiply
176,657,032.36x = 243,790,977.12 × 98,345,879.20 - Step 4: Simplify right side
176,657,032.36x = 23,975,837,985,893,484 - Step 5: Solve for x
x = 23,975,837,985,893,484/176,657,032.36 - Step 6: Final answer
x = 135,719,691.80
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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.