Finding the Fourth Proportional to 57,869,707.23, 79,926,475.41 and 38,111,795.19
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Solution
The fourth proportional to 57,869,707.23, 79,926,475.41 and 38,111,795.19 is: 52,637,927.63
Step by Step Solution
- Step 1: Write the proportion equation
57,869,707.23 : 79,926,475.41 = 38,111,795.19 : x - Step 2: Convert to fraction form
57,869,707.23/79,926,475.41 = 38,111,795.19/x - Step 3: Cross multiply
57,869,707.23x = 79,926,475.41 × 38,111,795.19 - Step 4: Simplify right side
57,869,707.23x = 3,046,141,461,084,491 - Step 5: Solve for x
x = 3,046,141,461,084,491/57,869,707.23 - Step 6: Final answer
x = 52,637,927.63
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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.