Finding the Fourth Proportional to 42,202,238.70, 63,303,358.05 and 25,196,126.70
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Solution
The fourth proportional to 42,202,238.70, 63,303,358.05 and 25,196,126.70 is: 37,794,190.05
Step by Step Solution
- Step 1: Write the proportion equation
42,202,238.70 : 63,303,358.05 = 25,196,126.70 : x - Step 2: Convert to fraction form
42,202,238.70/63,303,358.05 = 25,196,126.70/x - Step 3: Cross multiply
42,202,238.70x = 63,303,358.05 × 25,196,126.70 - Step 4: Simplify right side
42,202,238.70x = 1,594,999,429,963,264.75 - Step 5: Solve for x
x = 1,594,999,429,963,264.75/42,202,238.70 - Step 6: Final answer
x = 37,794,190.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.