Finding the Fourth Proportional to 77,713,086.80, 108,957,574 and 77,713,086.80
Calculator
Solution
The fourth proportional to 77,713,086.80, 108,957,574 and 77,713,086.80 is: 108,957,574
Step by Step Solution
- Step 1: Write the proportion equation
77,713,086.80 : 108,957,574 = 77,713,086.80 : x - Step 2: Convert to fraction form
77,713,086.80/108,957,574 = 77,713,086.80/x - Step 3: Cross multiply
77,713,086.80x = 108,957,574 × 77,713,086.80 - Step 4: Simplify right side
77,713,086.80x = 8,467,429,405,779,423 - Step 5: Solve for x
x = 8,467,429,405,779,423/77,713,086.80 - Step 6: Final answer
x = 108,957,574
Related Problems
Find fourth proportional to 38,856,543.40, 54,478,787 and 38,856,543.40
Half scale
Find fourth proportional to 155,426,173.60, 217,915,148 and 155,426,173.60
Double scale
Find fourth proportional to 77,713,087.80, 108,957,575.40 and 77,713,087.80
Similar ratio
Find fourth proportional to 116,569,630.20, 163,436,361 and 116,569,630.20
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.