Finding the Fourth Proportional to 113,553,991.80, 170,330,987.70 and 93,398,599.80
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Solution
The fourth proportional to 113,553,991.80, 170,330,987.70 and 93,398,599.80 is: 140,097,899.70
Step by Step Solution
- Step 1: Write the proportion equation
113,553,991.80 : 170,330,987.70 = 93,398,599.80 : x - Step 2: Convert to fraction form
113,553,991.80/170,330,987.70 = 93,398,599.80/x - Step 3: Cross multiply
113,553,991.80x = 170,330,987.70 × 93,398,599.80 - Step 4: Simplify right side
113,553,991.80x = 15,908,675,753,731,020 - Step 5: Solve for x
x = 15,908,675,753,731,020/113,553,991.80 - Step 6: Final answer
x = 140,097,899.70
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1.5x scale
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.