Finding the Fourth Proportional to 234,349,409.64, 351,278,042.40 and 78,849,235.74
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Solution
The fourth proportional to 234,349,409.64, 351,278,042.40 and 78,849,235.74 is: 118,191,060.17
Step by Step Solution
- Step 1: Write the proportion equation
234,349,409.64 : 351,278,042.40 = 78,849,235.74 : x - Step 2: Convert to fraction form
234,349,409.64/351,278,042.40 = 78,849,235.74/x - Step 3: Cross multiply
234,349,409.64x = 351,278,042.40 × 78,849,235.74 - Step 4: Simplify right side
234,349,409.64x = 27,698,005,175,483,312 - Step 5: Solve for x
x = 27,698,005,175,483,312/234,349,409.64 - Step 6: Final answer
x = 118,191,060.17
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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.