Finding the Fourth Proportional to 79,082,140.40, 118,641,097.84 and 42,689,749.68
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Solution
The fourth proportional to 79,082,140.40, 118,641,097.84 and 42,689,749.68 is: 64,044,280.33
Step by Step Solution
- Step 1: Write the proportion equation
79,082,140.40 : 118,641,097.84 = 42,689,749.68 : x - Step 2: Convert to fraction form
79,082,140.40/118,641,097.84 = 42,689,749.68/x - Step 3: Cross multiply
79,082,140.40x = 118,641,097.84 × 42,689,749.68 - Step 4: Simplify right side
79,082,140.40x = 5,064,758,768,549,989 - Step 5: Solve for x
x = 5,064,758,768,549,989/79,082,140.40 - Step 6: Final answer
x = 64,044,280.33
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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.