Finding the Fourth Proportional to 75,805,056.36, 104,610,977.94 and 40,997,746.79
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Solution
The fourth proportional to 75,805,056.36, 104,610,977.94 and 40,997,746.79 is: 56,576,890.66
Step by Step Solution
- Step 1: Write the proportion equation
75,805,056.36 : 104,610,977.94 = 40,997,746.79 : x - Step 2: Convert to fraction form
75,805,056.36/104,610,977.94 = 40,997,746.79/x - Step 3: Cross multiply
75,805,056.36x = 104,610,977.94 × 40,997,746.79 - Step 4: Simplify right side
75,805,056.36x = 4,288,814,384,833,407 - Step 5: Solve for x
x = 4,288,814,384,833,407/75,805,056.36 - Step 6: Final answer
x = 56,576,890.66
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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.