Finding the Fourth Proportional to 70,714,354.91, 97,584,809.87 and 39,774,450.38
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Solution
The fourth proportional to 70,714,354.91, 97,584,809.87 and 39,774,450.38 is: 54,888,179.11
Step by Step Solution
- Step 1: Write the proportion equation
70,714,354.91 : 97,584,809.87 = 39,774,450.38 : x - Step 2: Convert to fraction form
70,714,354.91/97,584,809.87 = 39,774,450.38/x - Step 3: Cross multiply
70,714,354.91x = 97,584,809.87 × 39,774,450.38 - Step 4: Simplify right side
70,714,354.91x = 3,881,382,177,627,561.50 - Step 5: Solve for x
x = 3,881,382,177,627,561.50/70,714,354.91 - Step 6: Final answer
x = 54,888,179.11
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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.