Finding the Fourth Proportional to 53,488,015.70, 73,813,756.29 and 29,041,729.70
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Solution
The fourth proportional to 53,488,015.70, 73,813,756.29 and 29,041,729.70 is: 40,077,746.95
Step by Step Solution
- Step 1: Write the proportion equation
53,488,015.70 : 73,813,756.29 = 29,041,729.70 : x - Step 2: Convert to fraction form
53,488,015.70/73,813,756.29 = 29,041,729.70/x - Step 3: Cross multiply
53,488,015.70x = 73,813,756.29 × 29,041,729.70 - Step 4: Simplify right side
53,488,015.70x = 2,143,679,158,315,855 - Step 5: Solve for x
x = 2,143,679,158,315,855/53,488,015.70 - Step 6: Final answer
x = 40,077,746.95
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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.