Finding the Fourth Proportional to 194,885,482.08, 268,920,267.12 and 107,943,581.28
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Solution
The fourth proportional to 194,885,482.08, 268,920,267.12 and 107,943,581.28 is: 148,950,123.95
Step by Step Solution
- Step 1: Write the proportion equation
194,885,482.08 : 268,920,267.12 = 107,943,581.28 : x - Step 2: Convert to fraction form
194,885,482.08/268,920,267.12 = 107,943,581.28/x - Step 3: Cross multiply
194,885,482.08x = 268,920,267.12 × 107,943,581.28 - Step 4: Simplify right side
194,885,482.08x = 29,028,216,711,707,032 - Step 5: Solve for x
x = 29,028,216,711,707,032/194,885,482.08 - Step 6: Final answer
x = 148,950,123.95
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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.