Finding the Fourth Proportional to 84,564,671.10, 126,847,006.65 and 50,552,447.10
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Solution
The fourth proportional to 84,564,671.10, 126,847,006.65 and 50,552,447.10 is: 75,828,670.65
Step by Step Solution
- Step 1: Write the proportion equation
84,564,671.10 : 126,847,006.65 = 50,552,447.10 : x - Step 2: Convert to fraction form
84,564,671.10/126,847,006.65 = 50,552,447.10/x - Step 3: Cross multiply
84,564,671.10x = 126,847,006.65 × 50,552,447.10 - Step 4: Simplify right side
84,564,671.10x = 6,412,426,593,467,474 - Step 5: Solve for x
x = 6,412,426,593,467,474/84,564,671.10 - Step 6: Final answer
x = 75,828,670.65
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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.