Finding the Fourth Proportional to 84,309,598.13, 116,311,618.71 and 56,441,287.08
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Solution
The fourth proportional to 84,309,598.13, 116,311,618.71 and 56,441,287.08 is: 77,865,125.78
Step by Step Solution
- Step 1: Write the proportion equation
84,309,598.13 : 116,311,618.71 = 56,441,287.08 : x - Step 2: Convert to fraction form
84,309,598.13/116,311,618.71 = 56,441,287.08/x - Step 3: Cross multiply
84,309,598.13x = 116,311,618.71 × 56,441,287.08 - Step 4: Simplify right side
84,309,598.13x = 6,564,777,462,350,609 - Step 5: Solve for x
x = 6,564,777,462,350,609/84,309,598.13 - Step 6: Final answer
x = 77,865,125.78
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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.