Finding the Fourth Proportional to 133,181,215.12, 199,772,079.65 and 51,338,634.09
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Solution
The fourth proportional to 133,181,215.12, 199,772,079.65 and 51,338,634.09 is: 77,008,050.19
Step by Step Solution
- Step 1: Write the proportion equation
133,181,215.12 : 199,772,079.65 = 51,338,634.09 : x - Step 2: Convert to fraction form
133,181,215.12/199,772,079.65 = 51,338,634.09/x - Step 3: Cross multiply
133,181,215.12x = 199,772,079.65 × 51,338,634.09 - Step 4: Simplify right side
133,181,215.12x = 10,256,025,698,549,686 - Step 5: Solve for x
x = 10,256,025,698,549,686/133,181,215.12 - Step 6: Final answer
x = 77,008,050.19
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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.