Finding the Fourth Proportional to 291,565,392.16, 402,368,638.96 and 161,193,598.24
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Solution
The fourth proportional to 291,565,392.16, 402,368,638.96 and 161,193,598.24 is: 222,451,808.33
Step by Step Solution
- Step 1: Write the proportion equation
291,565,392.16 : 402,368,638.96 = 161,193,598.24 : x - Step 2: Convert to fraction form
291,565,392.16/402,368,638.96 = 161,193,598.24/x - Step 3: Cross multiply
291,565,392.16x = 402,368,638.96 × 161,193,598.24 - Step 4: Simplify right side
291,565,392.16x = 64,859,248,732,893,848 - Step 5: Solve for x
x = 64,859,248,732,893,848/291,565,392.16 - Step 6: Final answer
x = 222,451,808.33
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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.