Finding the Fourth Proportional to 57,477,581.86, 86,254,451.35 and 31,587,962.99
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Solution
The fourth proportional to 57,477,581.86, 86,254,451.35 and 31,587,962.99 is: 47,402,871.32
Step by Step Solution
- Step 1: Write the proportion equation
57,477,581.86 : 86,254,451.35 = 31,587,962.99 : x - Step 2: Convert to fraction form
57,477,581.86/86,254,451.35 = 31,587,962.99/x - Step 3: Cross multiply
57,477,581.86x = 86,254,451.35 × 31,587,962.99 - Step 4: Simplify right side
57,477,581.86x = 2,724,602,416,966,555 - Step 5: Solve for x
x = 2,724,602,416,966,555/57,477,581.86 - Step 6: Final answer
x = 47,402,871.32
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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.