Finding the Fourth Proportional to 101,148,038.16, 139,584,732.21 and 54,738,295.98
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Solution
The fourth proportional to 101,148,038.16, 139,584,732.21 and 54,738,295.98 is: 75,539,086.32
Step by Step Solution
- Step 1: Write the proportion equation
101,148,038.16 : 139,584,732.21 = 54,738,295.98 : x - Step 2: Convert to fraction form
101,148,038.16/139,584,732.21 = 54,738,295.98/x - Step 3: Cross multiply
101,148,038.16x = 139,584,732.21 × 54,738,295.98 - Step 4: Simplify right side
101,148,038.16x = 7,640,630,386,000,020 - Step 5: Solve for x
x = 7,640,630,386,000,020/101,148,038.16 - Step 6: Final answer
x = 75,539,086.32
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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.