Finding the Fourth Proportional to 117,936,117.45, 176,904,176.18 and 97,130,202.30
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Solution
The fourth proportional to 117,936,117.45, 176,904,176.18 and 97,130,202.30 is: 145,695,303.45
Step by Step Solution
- Step 1: Write the proportion equation
117,936,117.45 : 176,904,176.18 = 97,130,202.30 : x - Step 2: Convert to fraction form
117,936,117.45/176,904,176.18 = 97,130,202.30/x - Step 3: Cross multiply
117,936,117.45x = 176,904,176.18 × 97,130,202.30 - Step 4: Simplify right side
117,936,117.45x = 17,182,738,419,592,590 - Step 5: Solve for x
x = 17,182,738,419,592,590/117,936,117.45 - Step 6: Final answer
x = 145,695,303.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.