Finding the Fourth Proportional to 99,842,875.65, 149,693,454.68 and 38,408,296.05
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Solution
The fourth proportional to 99,842,875.65, 149,693,454.68 and 38,408,296.05 is: 57,585,185.59
Step by Step Solution
- Step 1: Write the proportion equation
99,842,875.65 : 149,693,454.68 = 38,408,296.05 : x - Step 2: Convert to fraction form
99,842,875.65/149,693,454.68 = 38,408,296.05/x - Step 3: Cross multiply
99,842,875.65x = 149,693,454.68 × 38,408,296.05 - Step 4: Simplify right side
99,842,875.65x = 5,749,470,523,904,657 - Step 5: Solve for x
x = 5,749,470,523,904,657/99,842,875.65 - Step 6: Final answer
x = 57,585,185.59
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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.