Finding the Fourth Proportional to 85,430,503.30, 128,133,313.35 and 24,839,911.30
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Solution
The fourth proportional to 85,430,503.30, 128,133,313.35 and 24,839,911.30 is: 37,256,249.41
Step by Step Solution
- Step 1: Write the proportion equation
85,430,503.30 : 128,133,313.35 = 24,839,911.30 : x - Step 2: Convert to fraction form
85,430,503.30/128,133,313.35 = 24,839,911.30/x - Step 3: Cross multiply
85,430,503.30x = 128,133,313.35 × 24,839,911.30 - Step 4: Simplify right side
85,430,503.30x = 3,182,820,138,189,106 - Step 5: Solve for x
x = 3,182,820,138,189,106/85,430,503.30 - Step 6: Final answer
x = 37,256,249.41
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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.