Finding the Fourth Proportional to 79,142,698.31, 118,725,315.99 and 24,560,000.65
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Solution
The fourth proportional to 79,142,698.31, 118,725,315.99 and 24,560,000.65 is: 36,843,497.88
Step by Step Solution
- Step 1: Write the proportion equation
79,142,698.31 : 118,725,315.99 = 24,560,000.65 : x - Step 2: Convert to fraction form
79,142,698.31/118,725,315.99 = 24,560,000.65/x - Step 3: Cross multiply
79,142,698.31x = 118,725,315.99 × 24,560,000.65 - Step 4: Simplify right side
79,142,698.31x = 2,915,893,837,169,428.50 - Step 5: Solve for x
x = 2,915,893,837,169,428.50/79,142,698.31 - Step 6: Final answer
x = 36,843,497.88
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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.