Finding the Fourth Proportional to 189,911,707.68, 284,827,698.72 and 53,565,205.44
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Solution
The fourth proportional to 189,911,707.68, 284,827,698.72 and 53,565,205.44 is: 80,336,564.73
Step by Step Solution
- Step 1: Write the proportion equation
189,911,707.68 : 284,827,698.72 = 53,565,205.44 : x - Step 2: Convert to fraction form
189,911,707.68/284,827,698.72 = 53,565,205.44/x - Step 3: Cross multiply
189,911,707.68x = 284,827,698.72 × 53,565,205.44 - Step 4: Simplify right side
189,911,707.68x = 15,256,854,196,939,226 - Step 5: Solve for x
x = 15,256,854,196,939,226/189,911,707.68 - Step 6: Final answer
x = 80,336,564.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.