Finding the Fourth Proportional to 173,615,158.71, 239,479,938.39 and 103,000,775.09
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Solution
The fourth proportional to 173,615,158.71, 239,479,938.39 and 103,000,775.09 is: 142,076,414.61
Step by Step Solution
- Step 1: Write the proportion equation
173,615,158.71 : 239,479,938.39 = 103,000,775.09 : x - Step 2: Convert to fraction form
173,615,158.71/239,479,938.39 = 103,000,775.09/x - Step 3: Cross multiply
173,615,158.71x = 239,479,938.39 × 103,000,775.09 - Step 4: Simplify right side
173,615,158.71x = 24,666,619,271,478,044 - Step 5: Solve for x
x = 24,666,619,271,478,044/173,615,158.71 - Step 6: Final answer
x = 142,076,414.61
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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.