Finding the Fourth Proportional to 84,255,126.40, 126,382,689.60 and 58,724,963.20
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Solution
The fourth proportional to 84,255,126.40, 126,382,689.60 and 58,724,963.20 is: 88,087,444.80
Step by Step Solution
- Step 1: Write the proportion equation
84,255,126.40 : 126,382,689.60 = 58,724,963.20 : x - Step 2: Convert to fraction form
84,255,126.40/126,382,689.60 = 58,724,963.20/x - Step 3: Cross multiply
84,255,126.40x = 126,382,689.60 × 58,724,963.20 - Step 4: Simplify right side
84,255,126.40x = 7,421,818,795,877,023 - Step 5: Solve for x
x = 7,421,818,795,877,023/84,255,126.40 - Step 6: Final answer
x = 88,087,444.80
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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.