Finding the Fourth Proportional to 155,356,765.12, 232,849,830.99 and 72,246,326.37
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Solution
The fourth proportional to 155,356,765.12, 232,849,830.99 and 72,246,326.37 is: 108,283,310.81
Step by Step Solution
- Step 1: Write the proportion equation
155,356,765.12 : 232,849,830.99 = 72,246,326.37 : x - Step 2: Convert to fraction form
155,356,765.12/232,849,830.99 = 72,246,326.37/x - Step 3: Cross multiply
155,356,765.12x = 232,849,830.99 × 72,246,326.37 - Step 4: Simplify right side
155,356,765.12x = 16,822,544,884,131,738 - Step 5: Solve for x
x = 16,822,544,884,131,738/155,356,765.12 - Step 6: Final answer
x = 108,283,310.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.