Finding the Fourth Proportional to 93,340,315.84, 128,809,639.20 and 51,524,392
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Solution
The fourth proportional to 93,340,315.84, 128,809,639.20 and 51,524,392 is: 71,103,662.80
Step by Step Solution
- Step 1: Write the proportion equation
93,340,315.84 : 128,809,639.20 = 51,524,392 : x - Step 2: Convert to fraction form
93,340,315.84/128,809,639.20 = 51,524,392/x - Step 3: Cross multiply
93,340,315.84x = 128,809,639.20 × 51,524,392 - Step 4: Simplify right side
93,340,315.84x = 6,636,838,343,519,367 - Step 5: Solve for x
x = 6,636,838,343,519,367/93,340,315.84 - Step 6: Final answer
x = 71,103,662.80
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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.