Finding the Fourth Proportional to 357,708,432.54, 536,561,979.12 and 112,083,871.08
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Solution
The fourth proportional to 357,708,432.54, 536,561,979.12 and 112,083,871.08 is: 168,125,596.78
Step by Step Solution
- Step 1: Write the proportion equation
357,708,432.54 : 536,561,979.12 = 112,083,871.08 : x - Step 2: Convert to fraction form
357,708,432.54/536,561,979.12 = 112,083,871.08/x - Step 3: Cross multiply
357,708,432.54x = 536,561,979.12 × 112,083,871.08 - Step 4: Simplify right side
357,708,432.54x = 60,139,943,694,115,728 - Step 5: Solve for x
x = 60,139,943,694,115,728/357,708,432.54 - Step 6: Final answer
x = 168,125,596.78
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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.