Finding the Fourth Proportional to 66,709,027.85, 92,059,398.43 and 38,435,774.94
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Solution
The fourth proportional to 66,709,027.85, 92,059,398.43 and 38,435,774.94 is: 53,041,911.02
Step by Step Solution
- Step 1: Write the proportion equation
66,709,027.85 : 92,059,398.43 = 38,435,774.94 : x - Step 2: Convert to fraction form
66,709,027.85/92,059,398.43 = 38,435,774.94/x - Step 3: Cross multiply
66,709,027.85x = 92,059,398.43 × 38,435,774.94 - Step 4: Simplify right side
66,709,027.85x = 3,538,374,319,287,381 - Step 5: Solve for x
x = 3,538,374,319,287,381/66,709,027.85 - Step 6: Final answer
x = 53,041,911.02
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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.