Finding the Fourth Proportional to 103,368,364.58, 142,651,385.97 and 56,961,607.94
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Solution
The fourth proportional to 103,368,364.58, 142,651,385.97 and 56,961,607.94 is: 78,608,695.73
Step by Step Solution
- Step 1: Write the proportion equation
103,368,364.58 : 142,651,385.97 = 56,961,607.94 : x - Step 2: Convert to fraction form
103,368,364.58/142,651,385.97 = 56,961,607.94/x - Step 3: Cross multiply
103,368,364.58x = 142,651,385.97 × 56,961,607.94 - Step 4: Simplify right side
103,368,364.58x = 8,125,652,319,720,756 - Step 5: Solve for x
x = 8,125,652,319,720,756/103,368,364.58 - Step 6: Final answer
x = 78,608,695.73
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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.