Finding the Fourth Proportional to 69,489,937.98, 95,896,227.36 and 38,550,107.58
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Solution
The fourth proportional to 69,489,937.98, 95,896,227.36 and 38,550,107.58 is: 53,199,211.12
Step by Step Solution
- Step 1: Write the proportion equation
69,489,937.98 : 95,896,227.36 = 38,550,107.58 : x - Step 2: Convert to fraction form
69,489,937.98/95,896,227.36 = 38,550,107.58/x - Step 3: Cross multiply
69,489,937.98x = 95,896,227.36 × 38,550,107.58 - Step 4: Simplify right side
69,489,937.98x = 3,696,809,881,244,139 - Step 5: Solve for x
x = 3,696,809,881,244,139/69,489,937.98 - Step 6: Final answer
x = 53,199,211.12
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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.