Finding the Fourth Proportional to 71,357,237.18, 98,475,694.08 and 39,995,865.80
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Solution
The fourth proportional to 71,357,237.18, 98,475,694.08 and 39,995,865.80 is: 55,195,811.95
Step by Step Solution
- Step 1: Write the proportion equation
71,357,237.18 : 98,475,694.08 = 39,995,865.80 : x - Step 2: Convert to fraction form
71,357,237.18/98,475,694.08 = 39,995,865.80/x - Step 3: Cross multiply
71,357,237.18x = 98,475,694.08 × 39,995,865.80 - Step 4: Simplify right side
71,357,237.18x = 3,938,620,644,985,534 - Step 5: Solve for x
x = 3,938,620,644,985,534/71,357,237.18 - Step 6: Final answer
x = 55,195,811.95
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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.