Finding the Fourth Proportional to 135,121,533.46, 186,462,720.62 and 73,240,543.42
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Solution
The fourth proportional to 135,121,533.46, 186,462,720.62 and 73,240,543.42 is: 101,069,242.16
Step by Step Solution
- Step 1: Write the proportion equation
135,121,533.46 : 186,462,720.62 = 73,240,543.42 : x - Step 2: Convert to fraction form
135,121,533.46/186,462,720.62 = 73,240,543.42/x - Step 3: Cross multiply
135,121,533.46x = 186,462,720.62 × 73,240,543.42 - Step 4: Simplify right side
135,121,533.46x = 13,656,630,985,780,440 - Step 5: Solve for x
x = 13,656,630,985,780,440/135,121,533.46 - Step 6: Final answer
x = 101,069,242.16
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.