Finding the Fourth Proportional to 43,468,905.60, 65,203,358.40 and 40,184,323.20
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Solution
The fourth proportional to 43,468,905.60, 65,203,358.40 and 40,184,323.20 is: 60,276,484.80
Step by Step Solution
- Step 1: Write the proportion equation
43,468,905.60 : 65,203,358.40 = 40,184,323.20 : x - Step 2: Convert to fraction form
43,468,905.60/65,203,358.40 = 40,184,323.20/x - Step 3: Cross multiply
43,468,905.60x = 65,203,358.40 × 40,184,323.20 - Step 4: Simplify right side
43,468,905.60x = 2,620,152,827,671,035 - Step 5: Solve for x
x = 2,620,152,827,671,035/43,468,905.60 - Step 6: Final answer
x = 60,276,484.80
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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.