Finding the Fourth Proportional to 49,280,785.70, 67,999,929.09 and 28,368,776.08
Calculator
Solution
The fourth proportional to 49,280,785.70, 67,999,929.09 and 28,368,776.08 is: 39,144,561.81
Step by Step Solution
- Step 1: Write the proportion equation
49,280,785.70 : 67,999,929.09 = 28,368,776.08 : x - Step 2: Convert to fraction form
49,280,785.70/67,999,929.09 = 28,368,776.08/x - Step 3: Cross multiply
49,280,785.70x = 67,999,929.09 × 28,368,776.08 - Step 4: Simplify right side
49,280,785.70x = 1,929,074,761,810,088.25 - Step 5: Solve for x
x = 1,929,074,761,810,088.25/49,280,785.70 - Step 6: Final answer
x = 39,144,561.81
Related Problems
Find fourth proportional to 24,640,392.85, 33,999,964.55 and 14,184,388.04
Half scale
Find fourth proportional to 98,561,571.40, 135,999,858.18 and 56,737,552.16
Double scale
Find fourth proportional to 49,280,786.70, 67,999,930.47 and 28,368,777.08
Similar ratio
Find fourth proportional to 73,921,178.55, 101,999,893.64 and 42,553,164.12
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.