Finding the Fourth Proportional to 83,779,220.24, 115,616,014.44 and 47,109,470.48
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Solution
The fourth proportional to 83,779,220.24, 115,616,014.44 and 47,109,470.48 is: 65,011,457.54
Step by Step Solution
- Step 1: Write the proportion equation
83,779,220.24 : 115,616,014.44 = 47,109,470.48 : x - Step 2: Convert to fraction form
83,779,220.24/115,616,014.44 = 47,109,470.48/x - Step 3: Cross multiply
83,779,220.24x = 115,616,014.44 × 47,109,470.48 - Step 4: Simplify right side
83,779,220.24x = 5,446,609,219,276,433 - Step 5: Solve for x
x = 5,446,609,219,276,433/83,779,220.24 - Step 6: Final answer
x = 65,011,457.54
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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.