Finding the Fourth Proportional to 93,438,539.83, 128,941,282.42 and 53,743,052.49
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Solution
The fourth proportional to 93,438,539.83, 128,941,282.42 and 53,743,052.49 is: 74,163,167.81
Step by Step Solution
- Step 1: Write the proportion equation
93,438,539.83 : 128,941,282.42 = 53,743,052.49 : x - Step 2: Convert to fraction form
93,438,539.83/128,941,282.42 = 53,743,052.49/x - Step 3: Cross multiply
93,438,539.83x = 128,941,282.42 × 53,743,052.49 - Step 4: Simplify right side
93,438,539.83x = 6,929,698,109,225,975 - Step 5: Solve for x
x = 6,929,698,109,225,975/93,438,539.83 - Step 6: Final answer
x = 74,163,167.81
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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.