Finding the Fourth Proportional to 70,775,337.48, 97,619,654.90 and 47,242,009.06
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Solution
The fourth proportional to 70,775,337.48, 97,619,654.90 and 47,242,009.06 is: 65,160,390.40
Step by Step Solution
- Step 1: Write the proportion equation
70,775,337.48 : 97,619,654.90 = 47,242,009.06 : x - Step 2: Convert to fraction form
70,775,337.48/97,619,654.90 = 47,242,009.06/x - Step 3: Cross multiply
70,775,337.48x = 97,619,654.90 × 47,242,009.06 - Step 4: Simplify right side
70,775,337.48x = 4,611,748,621,219,874 - Step 5: Solve for x
x = 4,611,748,621,219,874/70,775,337.48 - Step 6: Final answer
x = 65,160,390.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.