Finding the Fourth Proportional to 75,137,403.44, 112,720,264.16 and 28,464,869.11
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Solution
The fourth proportional to 75,137,403.44, 112,720,264.16 and 28,464,869.11 is: 42,702,667.63
Step by Step Solution
- Step 1: Write the proportion equation
75,137,403.44 : 112,720,264.16 = 28,464,869.11 : x - Step 2: Convert to fraction form
75,137,403.44/112,720,264.16 = 28,464,869.11/x - Step 3: Cross multiply
75,137,403.44x = 112,720,264.16 × 28,464,869.11 - Step 4: Simplify right side
75,137,403.44x = 3,208,567,565,359,024 - Step 5: Solve for x
x = 3,208,567,565,359,024/75,137,403.44 - Step 6: Final answer
x = 42,702,667.63
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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.