Finding the Fourth Proportional to 122,273,162.24, 168,666,892.80 and 76,408,448
Calculator
Solution
The fourth proportional to 122,273,162.24, 168,666,892.80 and 76,408,448 is: 105,399,870.84
Step by Step Solution
- Step 1: Write the proportion equation
122,273,162.24 : 168,666,892.80 = 76,408,448 : x - Step 2: Convert to fraction form
122,273,162.24/168,666,892.80 = 76,408,448/x - Step 3: Cross multiply
122,273,162.24x = 168,666,892.80 × 76,408,448 - Step 4: Simplify right side
122,273,162.24x = 12,887,575,507,830,376 - Step 5: Solve for x
x = 12,887,575,507,830,376/122,273,162.24 - Step 6: Final answer
x = 105,399,870.84
Related Problems
Find fourth proportional to 61,136,581.12, 84,333,446.40 and 38,204,224
Half scale
Find fourth proportional to 244,546,324.48, 337,333,785.60 and 152,816,896
Double scale
Find fourth proportional to 122,273,163.24, 168,666,894.18 and 76,408,449
Similar ratio
Find fourth proportional to 183,409,743.36, 253,000,339.20 and 114,612,672
1.5x scale
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.