Finding the Fourth Proportional to 101,564,528.13, 140,201,954.01 and 68,569,469.28
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Solution
The fourth proportional to 101,564,528.13, 140,201,954.01 and 68,569,469.28 is: 94,654,834.28
Step by Step Solution
- Step 1: Write the proportion equation
101,564,528.13 : 140,201,954.01 = 68,569,469.28 : x - Step 2: Convert to fraction form
101,564,528.13/140,201,954.01 = 68,569,469.28/x - Step 3: Cross multiply
101,564,528.13x = 140,201,954.01 × 68,569,469.28 - Step 4: Simplify right side
101,564,528.13x = 9,613,573,578,484,668 - Step 5: Solve for x
x = 9,613,573,578,484,668/101,564,528.13 - Step 6: Final answer
x = 94,654,834.28
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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.