Finding the Fourth Proportional to 53,221,590.27, 79,841,013.12 and 20,855,943.99
Calculator
Solution
The fourth proportional to 53,221,590.27, 79,841,013.12 and 20,855,943.99 is: 31,287,296.93
Step by Step Solution
- Step 1: Write the proportion equation
53,221,590.27 : 79,841,013.12 = 20,855,943.99 : x - Step 2: Convert to fraction form
53,221,590.27/79,841,013.12 = 20,855,943.99/x - Step 3: Cross multiply
53,221,590.27x = 79,841,013.12 × 20,855,943.99 - Step 4: Simplify right side
53,221,590.27x = 1,665,159,697,735,575 - Step 5: Solve for x
x = 1,665,159,697,735,575/53,221,590.27 - Step 6: Final answer
x = 31,287,296.93
Related Problems
Find fourth proportional to 26,610,795.14, 39,920,506.56 and 10,427,972.00
Half scale
Find fourth proportional to 106,443,180.54, 159,682,026.24 and 41,711,887.98
Double scale
Find fourth proportional to 53,221,591.27, 79,841,014.62 and 20,855,944.99
Similar ratio
Find fourth proportional to 79,832,385.41, 119,761,519.68 and 31,283,915.99
1.5x scale
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.