Finding the Fourth Proportional to 399,918,363.20, 599,877,544.80 and 112,704,027.20
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Solution
The fourth proportional to 399,918,363.20, 599,877,544.80 and 112,704,027.20 is: 169,056,040.80
Step by Step Solution
- Step 1: Write the proportion equation
399,918,363.20 : 599,877,544.80 = 112,704,027.20 : x - Step 2: Convert to fraction form
399,918,363.20/599,877,544.80 = 112,704,027.20/x - Step 3: Cross multiply
399,918,363.20x = 599,877,544.80 × 112,704,027.20 - Step 4: Simplify right side
399,918,363.20x = 67,608,615,125,808,416 - Step 5: Solve for x
x = 67,608,615,125,808,416/399,918,363.20 - Step 6: Final answer
x = 169,056,040.80
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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.