Finding the Fourth Proportional to 124,854,951.36, 172,298,563.68 and 69,100,480.08
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Solution
The fourth proportional to 124,854,951.36, 172,298,563.68 and 69,100,480.08 is: 95,357,960.08
Step by Step Solution
- Step 1: Write the proportion equation
124,854,951.36 : 172,298,563.68 = 69,100,480.08 : x - Step 2: Convert to fraction form
124,854,951.36/172,298,563.68 = 69,100,480.08/x - Step 3: Cross multiply
124,854,951.36x = 172,298,563.68 × 69,100,480.08 - Step 4: Simplify right side
124,854,951.36x = 11,905,913,467,382,452 - Step 5: Solve for x
x = 11,905,913,467,382,452/124,854,951.36 - Step 6: Final answer
x = 95,357,960.08
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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.