Finding the Fourth Proportional to 69,828,536.16, 96,366,369.60 and 38,888,705.34
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Solution
The fourth proportional to 69,828,536.16, 96,366,369.60 and 38,888,705.34 is: 53,668,078.38
Step by Step Solution
- Step 1: Write the proportion equation
69,828,536.16 : 96,366,369.60 = 38,888,705.34 : x - Step 2: Convert to fraction form
69,828,536.16/96,366,369.60 = 38,888,705.34/x - Step 3: Cross multiply
69,828,536.16x = 96,366,369.60 × 38,888,705.34 - Step 4: Simplify right side
69,828,536.16x = 3,747,563,352,059,934 - Step 5: Solve for x
x = 3,747,563,352,059,934/69,828,536.16 - Step 6: Final answer
x = 53,668,078.38
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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.