Finding the Fourth Proportional to 81,912,416.58, 113,038,370.68 and 44,742,682.62
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Solution
The fourth proportional to 81,912,416.58, 113,038,370.68 and 44,742,682.62 is: 61,744,484.59
Step by Step Solution
- Step 1: Write the proportion equation
81,912,416.58 : 113,038,370.68 = 44,742,682.62 : x - Step 2: Convert to fraction form
81,912,416.58/113,038,370.68 = 44,742,682.62/x - Step 3: Cross multiply
81,912,416.58x = 113,038,370.68 × 44,742,682.62 - Step 4: Simplify right side
81,912,416.58x = 5,057,639,943,217,154 - Step 5: Solve for x
x = 5,057,639,943,217,154/81,912,416.58 - Step 6: Final answer
x = 61,744,484.59
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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.