Finding the Fourth Proportional to 63,124,830.72, 87,107,304.96 and 38,675,220.48
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Solution
The fourth proportional to 63,124,830.72, 87,107,304.96 and 38,675,220.48 is: 53,368,764.50
Step by Step Solution
- Step 1: Write the proportion equation
63,124,830.72 : 87,107,304.96 = 38,675,220.48 : x - Step 2: Convert to fraction form
63,124,830.72/87,107,304.96 = 38,675,220.48/x - Step 3: Cross multiply
63,124,830.72x = 87,107,304.96 × 38,675,220.48 - Step 4: Simplify right side
63,124,830.72x = 3,368,894,224,746,597 - Step 5: Solve for x
x = 3,368,894,224,746,597/63,124,830.72 - Step 6: Final answer
x = 53,368,764.50
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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.