Finding the Fourth Proportional to 69,828,466.19, 96,366,273.12 and 38,888,635.46
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Solution
The fourth proportional to 69,828,466.19, 96,366,273.12 and 38,888,635.46 is: 53,667,981.99
Step by Step Solution
- Step 1: Write the proportion equation
69,828,466.19 : 96,366,273.12 = 38,888,635.46 : x - Step 2: Convert to fraction form
69,828,466.19/96,366,273.12 = 38,888,635.46/x - Step 3: Cross multiply
69,828,466.19x = 96,366,273.12 × 38,888,635.46 - Step 4: Simplify right side
69,828,466.19x = 3,747,552,865,520,645.50 - Step 5: Solve for x
x = 3,747,552,865,520,645.50/69,828,466.19 - Step 6: Final answer
x = 53,667,981.99
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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.