Finding the Fourth Proportional to 106,929,952.83, 147,563,444.12 and 58,037,390.91
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Solution
The fourth proportional to 106,929,952.83, 147,563,444.12 and 58,037,390.91 is: 80,091,658.73
Step by Step Solution
- Step 1: Write the proportion equation
106,929,952.83 : 147,563,444.12 = 58,037,390.91 : x - Step 2: Convert to fraction form
106,929,952.83/147,563,444.12 = 58,037,390.91/x - Step 3: Cross multiply
106,929,952.83x = 147,563,444.12 × 58,037,390.91 - Step 4: Simplify right side
106,929,952.83x = 8,564,197,290,128,194 - Step 5: Solve for x
x = 8,564,197,290,128,194/106,929,952.83 - Step 6: Final answer
x = 80,091,658.73
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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.