Finding the Fourth Proportional to 69,127,219.22, 95,398,460.62 and 39,758,559.98
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Solution
The fourth proportional to 69,127,219.22, 95,398,460.62 and 39,758,559.98 is: 54,868,479.61
Step by Step Solution
- Step 1: Write the proportion equation
69,127,219.22 : 95,398,460.62 = 39,758,559.98 : x - Step 2: Convert to fraction form
69,127,219.22/95,398,460.62 = 39,758,559.98/x - Step 3: Cross multiply
69,127,219.22x = 95,398,460.62 × 39,758,559.98 - Step 4: Simplify right side
69,127,219.22x = 3,792,905,418,559,938 - Step 5: Solve for x
x = 3,792,905,418,559,938/69,127,219.22 - Step 6: Final answer
x = 54,868,479.61
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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.