Finding the Fourth Proportional to 78,716,130.84, 118,075,246.04 and 27,599,642.28
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Solution
The fourth proportional to 78,716,130.84, 118,075,246.04 and 27,599,642.28 is: 41,399,831.50
Step by Step Solution
- Step 1: Write the proportion equation
78,716,130.84 : 118,075,246.04 = 27,599,642.28 : x - Step 2: Convert to fraction form
78,716,130.84/118,075,246.04 = 27,599,642.28/x - Step 3: Cross multiply
78,716,130.84x = 118,075,246.04 × 27,599,642.28 - Step 4: Simplify right side
78,716,130.84x = 3,258,834,552,895,986 - Step 5: Solve for x
x = 3,258,834,552,895,986/78,716,130.84 - Step 6: Final answer
x = 41,399,831.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.