Finding the Fourth Proportional to 90,812,881.35, 125,393,182 and 73,115,567.75
Calculator
Solution
The fourth proportional to 90,812,881.35, 125,393,182 and 73,115,567.75 is: 100,956,973.92
Step by Step Solution
- Step 1: Write the proportion equation
90,812,881.35 : 125,393,182 = 73,115,567.75 : x - Step 2: Convert to fraction form
90,812,881.35/125,393,182 = 73,115,567.75/x - Step 3: Cross multiply
90,812,881.35x = 125,393,182 × 73,115,567.75 - Step 4: Simplify right side
90,812,881.35x = 9,168,193,693,909,080 - Step 5: Solve for x
x = 9,168,193,693,909,080/90,812,881.35 - Step 6: Final answer
x = 100,956,973.92
Related Problems
Find fourth proportional to 45,406,440.68, 62,696,591 and 36,557,783.88
Half scale
Find fourth proportional to 181,625,762.70, 250,786,364 and 146,231,135.50
Double scale
Find fourth proportional to 90,812,882.35, 125,393,183.38 and 73,115,568.75
Similar ratio
Find fourth proportional to 136,219,322.03, 188,089,773 and 109,673,351.63
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.