Finding the Fourth Proportional to 89,064,177.40, 133,596,266.10 and 31,562,261.20
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Solution
The fourth proportional to 89,064,177.40, 133,596,266.10 and 31,562,261.20 is: 47,343,391.80
Step by Step Solution
- Step 1: Write the proportion equation
89,064,177.40 : 133,596,266.10 = 31,562,261.20 : x - Step 2: Convert to fraction form
89,064,177.40/133,596,266.10 = 31,562,261.20/x - Step 3: Cross multiply
89,064,177.40x = 133,596,266.10 × 31,562,261.20 - Step 4: Simplify right side
89,064,177.40x = 4,216,600,245,992,905 - Step 5: Solve for x
x = 4,216,600,245,992,905/89,064,177.40 - Step 6: Final answer
x = 47,343,391.80
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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.