Finding the Fourth Proportional to 210,978,009.14, 291,149,652.59 and 118,158,516.99
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Solution
The fourth proportional to 210,978,009.14, 291,149,652.59 and 118,158,516.99 is: 163,058,753.43
Step by Step Solution
- Step 1: Write the proportion equation
210,978,009.14 : 291,149,652.59 = 118,158,516.99 : x - Step 2: Convert to fraction form
210,978,009.14/291,149,652.59 = 118,158,516.99/x - Step 3: Cross multiply
210,978,009.14x = 291,149,652.59 × 118,158,516.99 - Step 4: Simplify right side
210,978,009.14x = 34,401,811,171,597,316 - Step 5: Solve for x
x = 34,401,811,171,597,316/210,978,009.14 - Step 6: Final answer
x = 163,058,753.43
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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.