Finding the Fourth Proportional to 83,621,823.39, 115,394,908.10 and 46,454,440.61
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Solution
The fourth proportional to 83,621,823.39, 115,394,908.10 and 46,454,440.61 is: 64,105,345.80
Step by Step Solution
- Step 1: Write the proportion equation
83,621,823.39 : 115,394,908.10 = 46,454,440.61 : x - Step 2: Convert to fraction form
83,621,823.39/115,394,908.10 = 46,454,440.61/x - Step 3: Cross multiply
83,621,823.39x = 115,394,908.10 × 46,454,440.61 - Step 4: Simplify right side
83,621,823.39x = 5,360,605,905,084,073 - Step 5: Solve for x
x = 5,360,605,905,084,073/83,621,823.39 - Step 6: Final answer
x = 64,105,345.80
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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.