Finding the Fourth Proportional to 103,204,669.29, 142,390,379.91 and 58,543,280.70
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Solution
The fourth proportional to 103,204,669.29, 142,390,379.91 and 58,543,280.70 is: 80,771,539.09
Step by Step Solution
- Step 1: Write the proportion equation
103,204,669.29 : 142,390,379.91 = 58,543,280.70 : x - Step 2: Convert to fraction form
103,204,669.29/142,390,379.91 = 58,543,280.70/x - Step 3: Cross multiply
103,204,669.29x = 142,390,379.91 × 58,543,280.70 - Step 4: Simplify right side
103,204,669.29x = 8,335,999,980,050,771 - Step 5: Solve for x
x = 8,335,999,980,050,771/103,204,669.29 - Step 6: Final answer
x = 80,771,539.09
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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.