Finding the Fourth Proportional to 80,406,949.08, 120,623,876.40 and 63,134,453.19
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Solution
The fourth proportional to 80,406,949.08, 120,623,876.40 and 63,134,453.19 is: 94,712,242.73
Step by Step Solution
- Step 1: Write the proportion equation
80,406,949.08 : 120,623,876.40 = 63,134,453.19 : x - Step 2: Convert to fraction form
80,406,949.08/120,623,876.40 = 63,134,453.19/x - Step 3: Cross multiply
80,406,949.08x = 120,623,876.40 × 63,134,453.19 - Step 4: Simplify right side
80,406,949.08x = 7,615,522,478,172,146 - Step 5: Solve for x
x = 7,615,522,478,172,146/80,406,949.08 - Step 6: Final answer
x = 94,712,242.73
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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.