Finding the Fourth Proportional to 127,698,509.75, 176,223,941.64 and 68,961,173.13
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Solution
The fourth proportional to 127,698,509.75, 176,223,941.64 and 68,961,173.13 is: 95,166,417.94
Step by Step Solution
- Step 1: Write the proportion equation
127,698,509.75 : 176,223,941.64 = 68,961,173.13 : x - Step 2: Convert to fraction form
127,698,509.75/176,223,941.64 = 68,961,173.13/x - Step 3: Cross multiply
127,698,509.75x = 176,223,941.64 × 68,961,173.13 - Step 4: Simplify right side
127,698,509.75x = 12,152,609,749,087,054 - Step 5: Solve for x
x = 12,152,609,749,087,054/127,698,509.75 - Step 6: Final answer
x = 95,166,417.94
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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.