Finding the Fourth Proportional to 103,734,129.16, 143,153,544.57 and 56,692,167.40
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Solution
The fourth proportional to 103,734,129.16, 143,153,544.57 and 56,692,167.40 is: 78,235,434.94
Step by Step Solution
- Step 1: Write the proportion equation
103,734,129.16 : 143,153,544.57 = 56,692,167.40 : x - Step 2: Convert to fraction form
103,734,129.16/143,153,544.57 = 56,692,167.40/x - Step 3: Cross multiply
103,734,129.16x = 143,153,544.57 × 56,692,167.40 - Step 4: Simplify right side
103,734,129.16x = 8,115,684,712,665,800 - Step 5: Solve for x
x = 8,115,684,712,665,800/103,734,129.16 - Step 6: Final answer
x = 78,235,434.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.