Finding the Fourth Proportional to 57,799,153.80, 86,698,730.70 and 46,461,745.80
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Solution
The fourth proportional to 57,799,153.80, 86,698,730.70 and 46,461,745.80 is: 69,692,618.70
Step by Step Solution
- Step 1: Write the proportion equation
57,799,153.80 : 86,698,730.70 = 46,461,745.80 : x - Step 2: Convert to fraction form
57,799,153.80/86,698,730.70 = 46,461,745.80/x - Step 3: Cross multiply
57,799,153.80x = 86,698,730.70 × 46,461,745.80 - Step 4: Simplify right side
57,799,153.80x = 4,028,174,386,966,056 - Step 5: Solve for x
x = 4,028,174,386,966,056/57,799,153.80 - Step 6: Final answer
x = 69,692,618.70
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1.5x scale
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.