Finding the Fourth Proportional to 97,035,470.80, 145,553,206.20 and 39,498,125.20
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Solution
The fourth proportional to 97,035,470.80, 145,553,206.20 and 39,498,125.20 is: 59,247,187.80
Step by Step Solution
- Step 1: Write the proportion equation
97,035,470.80 : 145,553,206.20 = 39,498,125.20 : x - Step 2: Convert to fraction form
97,035,470.80/145,553,206.20 = 39,498,125.20/x - Step 3: Cross multiply
97,035,470.80x = 145,553,206.20 × 39,498,125.20 - Step 4: Simplify right side
97,035,470.80x = 5,749,078,761,749,016 - Step 5: Solve for x
x = 5,749,078,761,749,016/97,035,470.80 - Step 6: Final answer
x = 59,247,187.80
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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.