Finding the Fourth Proportional to 257,984,610.28, 386,974,513.50 and 104,594,206.12
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Solution
The fourth proportional to 257,984,610.28, 386,974,513.50 and 104,594,206.12 is: 156,890,335.37
Step by Step Solution
- Step 1: Write the proportion equation
257,984,610.28 : 386,974,513.50 = 104,594,206.12 : x - Step 2: Convert to fraction form
257,984,610.28/386,974,513.50 = 104,594,206.12/x - Step 3: Cross multiply
257,984,610.28x = 386,974,513.50 × 104,594,206.12 - Step 4: Simplify right side
257,984,610.28x = 40,475,292,028,205,728 - Step 5: Solve for x
x = 40,475,292,028,205,728/257,984,610.28 - Step 6: Final answer
x = 156,890,335.37
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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.