Finding the Fourth Proportional to 64,544,515.60, 90,589,070 and 64,544,515.60
Calculator
Solution
The fourth proportional to 64,544,515.60, 90,589,070 and 64,544,515.60 is: 90,589,070
Step by Step Solution
- Step 1: Write the proportion equation
64,544,515.60 : 90,589,070 = 64,544,515.60 : x - Step 2: Convert to fraction form
64,544,515.60/90,589,070 = 64,544,515.60/x - Step 3: Cross multiply
64,544,515.60x = 90,589,070 × 64,544,515.60 - Step 4: Simplify right side
64,544,515.60x = 5,847,027,641,804,492 - Step 5: Solve for x
x = 5,847,027,641,804,492/64,544,515.60 - Step 6: Final answer
x = 90,589,070
Related Problems
Find fourth proportional to 32,272,257.80, 45,294,535 and 32,272,257.80
Half scale
Find fourth proportional to 129,089,031.20, 181,178,140 and 129,089,031.20
Double scale
Find fourth proportional to 64,544,516.60, 90,589,071.40 and 64,544,516.60
Similar ratio
Find fourth proportional to 96,816,773.40, 135,883,605 and 96,816,773.40
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.