Finding the Fourth Proportional to 93,438,789.37, 128,941,626.32 and 53,743,301.35
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Solution
The fourth proportional to 93,438,789.37, 128,941,626.32 and 53,743,301.35 is: 74,163,510.96
Step by Step Solution
- Step 1: Write the proportion equation
93,438,789.37 : 128,941,626.32 = 53,743,301.35 : x - Step 2: Convert to fraction form
93,438,789.37/128,941,626.32 = 53,743,301.35/x - Step 3: Cross multiply
93,438,789.37x = 128,941,626.32 × 53,743,301.35 - Step 4: Simplify right side
93,438,789.37x = 6,929,748,678,961,427 - Step 5: Solve for x
x = 6,929,748,678,961,427/93,438,789.37 - Step 6: Final answer
x = 74,163,510.96
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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.