Finding the Fourth Proportional to 115,706,595.45, 159,667,240.54 and 63,498,994.14
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Solution
The fourth proportional to 115,706,595.45, 159,667,240.54 and 63,498,994.14 is: 87,624,297.75
Step by Step Solution
- Step 1: Write the proportion equation
115,706,595.45 : 159,667,240.54 = 63,498,994.14 : x - Step 2: Convert to fraction form
115,706,595.45/159,667,240.54 = 63,498,994.14/x - Step 3: Cross multiply
115,706,595.45x = 159,667,240.54 × 63,498,994.14 - Step 4: Simplify right side
115,706,595.45x = 10,138,709,171,399,430 - Step 5: Solve for x
x = 10,138,709,171,399,430/115,706,595.45 - Step 6: Final answer
x = 87,624,297.75
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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.