Finding the Fourth Proportional to 42,083,905.48, 58,115,896.70 and 39,791,193.76
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Solution
The fourth proportional to 42,083,905.48, 58,115,896.70 and 39,791,193.76 is: 54,949,769.51
Step by Step Solution
- Step 1: Write the proportion equation
42,083,905.48 : 58,115,896.70 = 39,791,193.76 : x - Step 2: Convert to fraction form
42,083,905.48/58,115,896.70 = 39,791,193.76/x - Step 3: Cross multiply
42,083,905.48x = 58,115,896.70 × 39,791,193.76 - Step 4: Simplify right side
42,083,905.48x = 2,312,500,905,999,533.50 - Step 5: Solve for x
x = 2,312,500,905,999,533.50/42,083,905.48 - Step 6: Final answer
x = 54,949,769.51
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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.