Finding the Fourth Proportional to 106,473,670.68, 146,934,108.32 and 57,581,098.68
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Solution
The fourth proportional to 106,473,670.68, 146,934,108.32 and 57,581,098.68 is: 79,462,155.63
Step by Step Solution
- Step 1: Write the proportion equation
106,473,670.68 : 146,934,108.32 = 57,581,098.68 : x - Step 2: Convert to fraction form
106,473,670.68/146,934,108.32 = 57,581,098.68/x - Step 3: Cross multiply
106,473,670.68x = 146,934,108.32 × 57,581,098.68 - Step 4: Simplify right side
106,473,670.68x = 8,460,627,390,343,823 - Step 5: Solve for x
x = 8,460,627,390,343,823/106,473,670.68 - Step 6: Final answer
x = 79,462,155.63
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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.