Finding the Fourth Proportional to 70,903,801.63, 97,927,958.75 and 47,658,572.29
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Solution
The fourth proportional to 70,903,801.63, 97,927,958.75 and 47,658,572.29 is: 65,823,081.32
Step by Step Solution
- Step 1: Write the proportion equation
70,903,801.63 : 97,927,958.75 = 47,658,572.29 : x - Step 2: Convert to fraction form
70,903,801.63/97,927,958.75 = 47,658,572.29/x - Step 3: Cross multiply
70,903,801.63x = 97,927,958.75 × 47,658,572.29 - Step 4: Simplify right side
70,903,801.63x = 4,667,106,700,632,286 - Step 5: Solve for x
x = 4,667,106,700,632,286/70,903,801.63 - Step 6: Final answer
x = 65,823,081.32
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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.