Finding the Fourth Proportional to 117,626,430.30, 176,439,645.45 and 40,923,966.30
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Solution
The fourth proportional to 117,626,430.30, 176,439,645.45 and 40,923,966.30 is: 61,385,949.45
Step by Step Solution
- Step 1: Write the proportion equation
117,626,430.30 : 176,439,645.45 = 40,923,966.30 : x - Step 2: Convert to fraction form
117,626,430.30/176,439,645.45 = 40,923,966.30/x - Step 3: Cross multiply
117,626,430.30x = 176,439,645.45 × 40,923,966.30 - Step 4: Simplify right side
117,626,430.30x = 7,220,610,104,379,747 - Step 5: Solve for x
x = 7,220,610,104,379,747/117,626,430.30 - Step 6: Final answer
x = 61,385,949.45
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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.