Finding the Fourth Proportional to 86,938,553.87, 119,977,904.27 and 47,779,619.03
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Solution
The fourth proportional to 86,938,553.87, 119,977,904.27 and 47,779,619.03 is: 65,937,358.08
Step by Step Solution
- Step 1: Write the proportion equation
86,938,553.87 : 119,977,904.27 = 47,779,619.03 : x - Step 2: Convert to fraction form
86,938,553.87/119,977,904.27 = 47,779,619.03/x - Step 3: Cross multiply
86,938,553.87x = 119,977,904.27 × 47,779,619.03 - Step 4: Simplify right side
86,938,553.87x = 5,732,498,557,799,512 - Step 5: Solve for x
x = 5,732,498,557,799,512/86,938,553.87 - Step 6: Final answer
x = 65,937,358.08
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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.