Finding the Fourth Proportional to 233,303,655.16, 321,968,826.12 and 134,184,430.18
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Solution
The fourth proportional to 233,303,655.16, 321,968,826.12 and 134,184,430.18 is: 185,180,139.76
Step by Step Solution
- Step 1: Write the proportion equation
233,303,655.16 : 321,968,826.12 = 134,184,430.18 : x - Step 2: Convert to fraction form
233,303,655.16/321,968,826.12 = 134,184,430.18/x - Step 3: Cross multiply
233,303,655.16x = 321,968,826.12 × 134,184,430.18 - Step 4: Simplify right side
233,303,655.16x = 43,203,203,468,635,704 - Step 5: Solve for x
x = 43,203,203,468,635,704/233,303,655.16 - Step 6: Final answer
x = 185,180,139.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.