Finding the Fourth Proportional to 291,230,235.83, 436,846,986.79 and 97,141,118.19
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Solution
The fourth proportional to 291,230,235.83, 436,846,986.79 and 97,141,118.19 is: 145,712,221.99
Step by Step Solution
- Step 1: Write the proportion equation
291,230,235.83 : 436,846,986.79 = 97,141,118.19 : x - Step 2: Convert to fraction form
291,230,235.83/436,846,986.79 = 97,141,118.19/x - Step 3: Cross multiply
291,230,235.83x = 436,846,986.79 × 97,141,118.19 - Step 4: Simplify right side
291,230,235.83x = 42,435,804,774,712,760 - Step 5: Solve for x
x = 42,435,804,774,712,760/291,230,235.83 - Step 6: Final answer
x = 145,712,221.99
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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.