Finding the Fourth Proportional to 142,056,533.70, 213,084,800.55 and 65,529,029.70
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Solution
The fourth proportional to 142,056,533.70, 213,084,800.55 and 65,529,029.70 is: 98,293,544.55
Step by Step Solution
- Step 1: Write the proportion equation
142,056,533.70 : 213,084,800.55 = 65,529,029.70 : x - Step 2: Convert to fraction form
142,056,533.70/213,084,800.55 = 65,529,029.70/x - Step 3: Cross multiply
142,056,533.70x = 213,084,800.55 × 65,529,029.70 - Step 4: Simplify right side
142,056,533.70x = 13,963,240,223,859,528 - Step 5: Solve for x
x = 13,963,240,223,859,528/142,056,533.70 - Step 6: Final answer
x = 98,293,544.55
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1.5x scale
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.