Finding the Fourth Proportional to 76,854,844.50, 115,099,006.53 and 49,101,454.09
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Solution
The fourth proportional to 76,854,844.50, 115,099,006.53 and 49,101,454.09 is: 73,535,098.82
Step by Step Solution
- Step 1: Write the proportion equation
76,854,844.50 : 115,099,006.53 = 49,101,454.09 : x - Step 2: Convert to fraction form
76,854,844.50/115,099,006.53 = 49,101,454.09/x - Step 3: Cross multiply
76,854,844.50x = 115,099,006.53 × 49,101,454.09 - Step 4: Simplify right side
76,854,844.50x = 5,651,528,584,790,127 - Step 5: Solve for x
x = 5,651,528,584,790,127/76,854,844.50 - Step 6: Final answer
x = 73,535,098.82
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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.