Finding the Fourth Proportional to 162,386,739.36, 243,567,858.12 and 51,717,937.20
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Solution
The fourth proportional to 162,386,739.36, 243,567,858.12 and 51,717,937.20 is: 77,573,004.05
Step by Step Solution
- Step 1: Write the proportion equation
162,386,739.36 : 243,567,858.12 = 51,717,937.20 : x - Step 2: Convert to fraction form
162,386,739.36/243,567,858.12 = 51,717,937.20/x - Step 3: Cross multiply
162,386,739.36x = 243,567,858.12 × 51,717,937.20 - Step 4: Simplify right side
162,386,739.36x = 12,596,827,190,188,672 - Step 5: Solve for x
x = 12,596,827,190,188,672/162,386,739.36 - Step 6: Final answer
x = 77,573,004.05
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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.