Finding the Fourth Proportional to 99,392,702.37, 137,160,291.47 and 58,146,582.21
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Solution
The fourth proportional to 99,392,702.37, 137,160,291.47 and 58,146,582.21 is: 80,241,325.30
Step by Step Solution
- Step 1: Write the proportion equation
99,392,702.37 : 137,160,291.47 = 58,146,582.21 : x - Step 2: Convert to fraction form
99,392,702.37/137,160,291.47 = 58,146,582.21/x - Step 3: Cross multiply
99,392,702.37x = 137,160,291.47 × 58,146,582.21 - Step 4: Simplify right side
99,392,702.37x = 7,975,402,163,617,184 - Step 5: Solve for x
x = 7,975,402,163,617,184/99,392,702.37 - Step 6: Final answer
x = 80,241,325.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.