Finding the Fourth Proportional to 103,784,295.81, 143,225,317.65 and 57,377,539.08
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Solution
The fourth proportional to 103,784,295.81, 143,225,317.65 and 57,377,539.08 is: 79,182,656.65
Step by Step Solution
- Step 1: Write the proportion equation
103,784,295.81 : 143,225,317.65 = 57,377,539.08 : x - Step 2: Convert to fraction form
103,784,295.81/143,225,317.65 = 57,377,539.08/x - Step 3: Cross multiply
103,784,295.81x = 143,225,317.65 × 57,377,539.08 - Step 4: Simplify right side
103,784,295.81x = 8,217,916,260,708,289 - Step 5: Solve for x
x = 8,217,916,260,708,289/103,784,295.81 - Step 6: Final answer
x = 79,182,656.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.