Finding the Fourth Proportional to 130,747,089.74, 180,443,728.46 and 97,649,878.44
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Solution
The fourth proportional to 130,747,089.74, 180,443,728.46 and 97,649,878.44 is: 134,766,350.71
Step by Step Solution
- Step 1: Write the proportion equation
130,747,089.74 : 180,443,728.46 = 97,649,878.44 : x - Step 2: Convert to fraction form
130,747,089.74/180,443,728.46 = 97,649,878.44/x - Step 3: Cross multiply
130,747,089.74x = 180,443,728.46 × 97,649,878.44 - Step 4: Simplify right side
130,747,089.74x = 17,620,308,148,891,120 - Step 5: Solve for x
x = 17,620,308,148,891,120/130,747,089.74 - Step 6: Final answer
x = 134,766,350.71
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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.