Finding the Fourth Proportional to 153,248,486.81, 229,902,981.84 and 56,205,035.19
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Solution
The fourth proportional to 153,248,486.81, 229,902,981.84 and 56,205,035.19 is: 84,318,647.80
Step by Step Solution
- Step 1: Write the proportion equation
153,248,486.81 : 229,902,981.84 = 56,205,035.19 : x - Step 2: Convert to fraction form
153,248,486.81/229,902,981.84 = 56,205,035.19/x - Step 3: Cross multiply
153,248,486.81x = 229,902,981.84 × 56,205,035.19 - Step 4: Simplify right side
153,248,486.81x = 12,921,705,184,603,130 - Step 5: Solve for x
x = 12,921,705,184,603,130/153,248,486.81 - Step 6: Final answer
x = 84,318,647.80
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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.